Professor Chis Maxwell

BScAgr (Hons) PhD
Emeritus Professor

B19 - R.M.C. Gunn Building
The University of Sydney

Telephone +61 2 9351 4864
Fax +61 2 9351 3957

Research interests

Applied reproduction in farm animals, specialising in semen preservation and controlled breeding

Selected grants

2008

  • Development of sperm sexing technologies for livestock; Moreno J, Maxwell W; XY Inc USA (USA)/Research Grants.

2007

  • Conference / travel funding - european society of domestic animal reproduction in germany; Maxwell W; Rural Industry Research and Development Corporation (RIRDC)/Research Grant.
  • Advancing artificial insemination in camelids, particularly the alpaca; Maxwell W, Morton K, Kershaw-Young C; Rural Indust R&D Corp (RIRDC)/Research and Development Grants.
  • 2007 Australian Poultry Science Symposium - Dr Mark Pines, Israel; Maxwell W; Australian Egg Corporation Ltd/Travel Support.

2005

  • Sex pre-selection of dairy cattle for the Victorian Dairy Industry.; Maxwell W, Evans G; XY Inc USA (USA)/Research Grants.
  • The Continued Development Of Artificial Insemination Technology In Alpacas; Maxwell W, Evans G; Rural Industry Research and Development Corporation (RIRDC)/Research and Development Grants.

2004

  • Sperm sexing in livestock; Maxwell W; XY Inc USA (USA)/default.

2003

  • Sex preselection of stallion spermatozoa; Evans G, Maxwell W, Morris L; Australian Research Council (ARC)/Linkage Projects (LP).

2002

  • Linkage 2003 Sex preselection of stallion spermatozoa LP0347542; Evans G, Maxwell W, Morris L; Genetic Technologies Limited/Project Support.
  • In vitro prediction tests of fertility of frozen semen of sheep and cattle; Evans G, Ashworth S, Gillan L, Gregory E, Maxwell W, Trowbridge M, Rindfleish J; Australian Research Council (ARC)/Linkage Projects (LP).

2000

  • Development of sexed sperm technologies for Australian livestock industries; Maxwell W, Evans G, Raadsma H; Australian Research Council (ARC)/Strategic Partnerships with Industry - Research and Training (SPIRT).
  • Development of sperm sexing and assisted reproductive technology for the production of presexed offspring in the gorilla and chimpanzee; O'Brien J, Evans G, Maxwell W; Australian Research Council (ARC)/Strategic Partnerships with Industry - Research and Training (SPIRT).
  • Frozen storage of boar spermatozoa; Maxwell W, Evans G; Pig Research and Development Corporation/Research Projects.

Selected publications

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Journals

  • Rickard, J., Pini, T., Soleilhavoup, C., Cognie, J., Bathgate, R., Lynch, G., Evans, G., Maxwell, W., Druart, X., de Graaf, S. (2014). Seminal plasma aids the survival and cervical transit of epididymal ram spermatozoa. Reproduction, 148, 469-478. [More Information]
  • Bathgate, R., Mace, N., Heasman, K., Evans, G., Maxwell, W., de Graaf, S. (2013). Birth of Kids after Artificial Insemination with Sex-Sorted, Frozen-Thawed Goat Spermatozoa. Reproduction in Domestic Animals, 48(6), 893-898. [More Information]
  • Gibb, Z., Morris, L., Maxwell, W., Grupen, C. (2013). Dimethyl formamide improves the postthaw characteristics of sex-sorted and nonsorted stallion sperm. Theriogenology: an international journal of animal reproduction, 79, 1027-1033. [More Information]
  • Del Valle, I., Souter, A., Maxwell, W., Muino-Blanco, T., Cebrian-Perez, J. (2013). Function of ram spermatozoa frozen in diluents supplimented with casein and vegetable oils. Animal Reproduction Science, 138(3-4), 213-219. [More Information]
  • Gibb, Z., Butler, T., Morris, L., Maxwell, W., Grupen, C. (2013). Quercetin improves the postthaw characteristics of cryopreserved sex-sorted and nonsorted stallion sperm. Theriogenology: an international journal of animal reproduction, 79, 1001-1009. [More Information]
  • Kershaw-Young, C., Stuart, C., Evans, G., Maxwell, W. (2013). The Effect of Glycosaminoglycan Enzymes and Proteases on the Viscosity of Alpaca Seminal Plasma and Sperm Function. Animal Reproduction Science, 138, 261-267. [More Information]
  • Kershaw-Young, C., Druart, X., Vaughan, J., Maxwell, W. (2012). Beta-Nerve growth factor is a major component of alpaca seminal plasma and induces ovulation in female alpacas. Reproduction, Fertility and Development, 24(8), 1093-1097. [More Information]
  • Morton, K., Gibb, Z., Leahy, T., Maxwell, W. (2012). Effect of enzyme treatment and mechanical removal of alpaca (Vicugna pacos) seminal plasma on sperm functional integrity. Journal of Camelid Science, 5, 62-81.
  • Clulow, J., Buss, H., Evans, G., Sieme, H., Rath, D., Morris, L., Maxwell, W. (2012). Effect of Staining and freezing media on sortability of stallion spermatozoa and their post-thaw viability after sex-sorting and cryopreservation. Reproduction in Domestic Animals, 47(1), 1-7. [More Information]
  • Kershaw-Young, C., Evans, G., Maxwell, W. (2012). Glycosaminoglycans in the accessory sex glands, testes and seminal plasma of alpaca and ram. Reproduction, Fertility and Development, 24(2), 362-369. [More Information]
  • Kershaw-Young, C., Maxwell, W. (2012). Seminal Plasma Components in Camelids and Comparisons with Other Species. Reproduction in Domestic Animals, 47(Suppl. 4), 369-375. [More Information]
  • Beilby, K., de Graaf, S., Evans, G., Maxwell, W., Wilkening, S., Wrenzycki, C., Grupen, C. (2011). Quantitative mRNA expression in ovine blastocysts produced from X- and Y-chromosome bearing sperm, both in vitro and in vivo. Theriogenology: an international journal of animal reproduction, 76(3), 471-481. [More Information]
  • Kershaw-Young, C., Maxwell, W. (2011). The effect of Seminal Plasma on Alpaca Sperm Function. Theriogenology: an international journal of animal reproduction, 76(7), 1197-1206. [More Information]
  • Leahy, T., Marti, J., Crossett, B., Evans, G., Maxwell, W. (2011). Two-dimentional polyacrylamide gel electrophoresis of membrane proteins from flow cytometrically sorted ram sperm. Theriogenology: an international journal of animal reproduction, 75(5), 962-971. [More Information]
  • Gibb, Z., Morris, L., Maxwell, W., Grupen, C. (2011). Use of defined diluent increases the sex-sorting efficiency of stallion sperm. Theriogenology: an international journal of animal reproduction, 75(4), 610-619. [More Information]
  • Underwood, S., Bathgate, R., Maxwell, W., Evans, G. (2010). Birth of offspring after artificial insemination of heifers with frozen-thawed, sex-sorted, re-frozen-thawed bull sperm. Animal Reproduction Science, 118(2-4), 171-175. [More Information]
  • Morton, K., Evans, G., Maxwell, W. (2010). Effect of glycerol concentration, Equex STM supplementation and liquid storage prior to freezing on the motility and acrosome integrity of frozen-thawed epididymal alpaca (Vicugna pacos) sperm. Theriogenology: an international journal of animal reproduction, 74, 311-316.
  • Underwood, S., Bathgate, R., Pereira, D., Castro, A., Thomson, P., Maxwell, W., Evans, G. (2010). Embryo production after in vitro fertilization with  frozen-thawed, sex-sorted, re-frozen-thawed bull sperm. Theriogenology: an international journal of animal reproduction, 73, 97-102. [More Information]
  • Clulow, J., Evans, G., Maxwell, W., Morris, L. (2010). Evaluation of the function of fresh and frozen-thawed sex-sorted and non-sorted stallion spermatozoa using a heterologous oocyte binding assay. Reproduction, Fertility and Development, 22, 710-717.
  • Leahy, T., Celi, P., Bathgate, R., Evans, G., Maxwell, W., Marti, J. (2010). Flow-sorted ram spermatozoa are highly suseptible to hydrogen peroxide damage but are protected by seminal plasma and catalase. Reproduction, Fertility and Development, 22(7), 1131-1140.
  • Leahy, T., Marti, J., Mendoza, N., Perez-Pe, R., Muino-Blanco, T., Cebrian-Perez, J., Evans, G., Maxwell, W. (2010). High pre-freezing dilution improves post-thaw function of ram spermatozoa. Animal Reproduction Science, 119(1-2), 137-146.
  • Leahy, T., Marti, J., Evans, G., Maxwell, W. (2010). Seasonal variation in the protective effect of seminal plasma on frozen-thawed ram spermatozoa. Animal Reproduction Science, 119, 147-153.
  • Leahy, T., Evans, G., Maxwell, W., Marti, J. (2010). Seminal plasma proteins do not consistently improve fertility after cervical insemination of ewes with non-sorted or sex-sorted frozen-thawed ram spermatozoa. Reproduction, Fertility and Development, 22, 606-612.
  • Underwood, S., Bathgate, R., Maxwell, W., Evans, G. (2009). Development of Procedures for Sex-sorting Frozen-thawed Bovine Spermatozoa. Reproduction in Domestic Animals, 44(3), 460-466. [More Information]
  • Clulow, J., Evans, G., Morris, L., Maxwell, W. (2009). Factors influencing the "sortability" of stallion spermatozoa into X- and Y-chromosome bearing populations. Animal Reproduction Science, 113(1-4), 220-228. [More Information]
  • Behr, B., Rath, D., Mueller, P., Hildebrandt, T., Goeritz, F., Braun, B., Leahy, T., de Graaf, S., Maxwell, W., Hermes, R. (2009). Feasibility of sex-sorting sperm from the white and the black rhinoceros (Ceratotherium simum, Diceros bicornis). Theriogenology: an international journal of animal reproduction, 72(3), 353-364. [More Information]
  • Behr, B., Rath, D., Hildebrandt, T., Goeritz, F., Blottner, S., Portas, T., Bryant, B., Sieg, B., Knieriem, A., de Graaf, S., Maxwell, W., et al (2009). Germany/Australia Index of sperm sex sortability in Elephants and Rhinoceros. Reproduction in Domestic Animals, 44(2), 273-277. [More Information]
  • Underwood, S., Bathgate, R., Maxwell, W., Evans, G. (2009). In vitro characteristics of frozen-thawed, sex-sorted bull sperm after refreezing or incubation at 15 or 37oC. Theriogenology: an international journal of animal reproduction, 72(7), 1001-1008.
  • Underwood, S., Bathgate, R., Ebsworth, M., Maxwell, W., Evans, G. (2009). Pregnancy loss in heifers after artificial insemination with frozen-thawed, sex-sorted, re-frozen-thawed dairy bull sperm. Animal Reproduction Science, 118, 7-12. [More Information]
  • Morton, K., Thomson, P., Bailey, K., Evans, G., Maxwell, W. (2009). Quality Parameters for Alpaca (Vicugna pacos) Semen are Affected by Semen Collection Procedure. Reproduction in Domestic Animals, Online, 1-7.
  • Leahy, T., Marti, J., Evans, G., Maxwell, W. (2009). Seminal plasma proteins protect flow-sorted ram spermatozoa from freeze-thaw damage. Reproduction, Fertility and Development, 21(4), 571-578. [More Information]
  • de Graaf, S., Beilby, K., Underwood, S., Evans, G., Maxwell, W. (2009). Sperm sexing in sheep and cattle: The exception and the rule. Theriogenology: an international journal of animal reproduction, 71(1), 89-97. [More Information]
  • Beilby, K., Grupen, C., Thomson, P., Maxwell, W., Evans, G. (2009). The effect of insemination time and sperm dose on pregnancy rate using sex-sorted ram sperm. Theriogenology: an international journal of animal reproduction, 71(5), 829-835. [More Information]
  • Clulow, J., Mansfield, L., Morris, L., Evans, G., Maxwell, W. (2008). A comparison between freezing methods for the cryopreservation of stallion spermatozoa. Animal Reproduction Science, 108, 298-308.
  • de Graaf, S., Leahy, T., Marti, J., Evans, G., Maxwell, W. (2008). Application of Seminal Plasma in Sex-Sorting and Sperm Cryopreservation. Theriogenology: an international journal of animal reproduction, 70, 1360-1363.
  • Gillan, L., Kroetsch, T., Maxwell, W., Evans, G. (2008). Assessment of in vitro sperm characteristics in relation to fertility in Dairy bulls. Animal Reproduction Science, 103, 201-214.
  • Bathgate, R., Grossfeld, R., Susetio, D., Ruckholdt, M., Heasman, K., Rath, D., Evans, G., Maxwell, W. (2008). Early Pregnancy loss in sows after low-dose, deep uterine artificial insemination with sex-sorted, frozen-thawed sperm. Animal Reproduction Science, 104, 440-444.
  • Morton, K., Maxwell, W., Evans, G. (2008). Effect of Aspiration Pressure during Oocyte Harvesting on Oocyte Recovery and in vitro Development of Ovine Oocytes. Reproduction in Domestic Animals, 43, 106-110.
  • Kelly, J., Kleemann, D., Maxwell, W., Walker, S. (2008). Effects of Insulin-like growth factor -1, epidermal growth factor and cysteamine on the in vitro maturation and development of oocytes collected from 6 to 8 week old Merino lambs. Reproduction, Fertility and Development, 20, 570-578.
  • Bathgate, R., Eriksson, B., Thomson, P., Maxwell, W., Evans, G. (2008). Field fertility of frozen-thawed boar sperm at low doses using non-surgical, deep uterine insemination. Animal Reproduction Science, 103(3-4), 323-335.
  • Clulow, J., Buss, H., Sieme, H., Rodger, J., Cawdell-Smith, A., Evans, G., Rath, D., Morris, L., Maxwell, W. (2008). Field fertility of sex-sorted and non-sorted frozen-thawed stallion spermatozoa. Animal Reproduction Science, 108, 287-297.
  • Grossfeld, R., Sieg, B., Struckmann, C., Frenzel, A., Maxwell, W., Rath, D. (2008). New Aspects of Boar Semen Freezing Strategies. Theriogenology: an international journal of animal reproduction, 70, 1225-1233.
  • Morton, K., Ruckholdt, M., Evans, G., Maxwell, W. (2008). Quantification of the DNA difference, and separation of X- and - Y Bearing Sperm in Alpacas (Vicugna pacos). Reproduction in Domestic Animals, 43, 638-642.
  • Clulow, J., Maxwell, W., Evans, G., Morris, L. (2007). A comparison of duck and chicken egg yolk for cryopreservation of stallion sperm. Australian Veterinary Journal, 85(6), 232-235.
  • Andrabi, S., Maxwell, W. (2007). A review on reproductive biotechnologies for conservation of endangered mammalian species. Animal Reproduction Science, 99(3-4), 223-243.
  • Morton, K., Herrmann, D., Sieg, B., Struckmann, C., Maxwell, W., Rath, D., Evans, G., Lucas-Hahn, A., Niemann, H., Wrenzycki, C. (2007). Altered mRNA Expression Patterns in Bovine Blastocysts After Fertilisation In Vitro Using Flow-Cytometrically Sex-Sorted Sperm. Molecular Reproduction and Development, 74(8), 931-940.
  • El-Hajj Ghaoui, R., Thomson, P., Leahy, T., Evans, G., Maxwell, W. (2007). Autologous Whole Ram Seminal Plasma and its Vesicle-free Fraction Improve Motility Characteristics and Membrane Status but not In Vivo Fertility of Frozen-Thawed Ram Spermatozoa. Reproduction in Domestic Animals, 42(5), 541-549.
  • de Graaf, S., Evans, G., Maxwell, W., Cran, D., O'Brien, J. (2007). Birth of offspring of pre-determined sex after artificial insemination of frozen-thawed, sex-sorted and re-frozen-thawed ram spermatozoa. Theriogenology: an international journal of animal reproduction, 67(2), 391-398.
  • Morton, K., Bathgate, R., Evans, G., Maxwell, W. (2007). Cryopreservation of epididymal alpaca (Vicugna pacos) sperm: a comparison of citrate-, Tris- and lactose-based diluents and pellets and straws. Reproduction, Fertility and Development, 19, 792-796.
  • Kelly, J., Kleemann, D., Maxwell, W., Walker, S. (2007). Effect of GnRH treatment on the maturation and in vitro development of oocytes collected from 4- to 6-week-old Merino lambs. Reproduction, Fertility and Development, 19, 947-953.
  • El-Hajj Ghaoui, R., Gillan, L., Thomson, P., Evans, G., Maxwell, W. (2007). Effect of Seminal Plasma Fractions From Entire and Vasectomized Rams on the Motility Characteristics, Membrane Status, and In Vitro Fertility of Ram Spermatozoa. Journal Of Andrology, 28(1), 109-122.
  • Bathgate, R., Maxwell, W., Evans, G. (2007). Effects of platelet-activating factor and platelet-activating factor: acetylhydrolase on in vitro post-thaw boar sperm parameters. Theriogenology: an international journal of animal reproduction, 67(4), 886-892.
  • de Graaf, S., Beilby, K., O'Brien, J., Osborn, D., Downing, J., Maxwell, W., Evans, G. (2007). Embryo production from superovulated sheep inseminated with sex-sorted ram spermatozoa. Theriogenology: an international journal of animal reproduction, 67(3), 550-555.
  • de Graaf, S., Peake, K., Maxwell, W., O'Brien, J., Evans, G. (2007). Influence of supplementing diet with Oleic and Linoleic acid on the freezing ability and sex-sorting parameters of ram semen. Livestock Science, 110, 166-173.
  • Bathgate, R., Morton, K., Eriksson, B., Rath, D., Sieg, B., Maxwell, W., Evans, G. (2007). Non-surgical deep intra-uterine transfer of in vitro produced porcine embryos derived from sex-sorted frozen-thawed boar sperm. Animal Reproduction Science, 99(1-2), 82-92.
  • Underwood, S., Bathgate, R., Maxwell, W., O'Donnell, M., Evans, G. (2007). Pregnancies after artificial insemination of frozen-thawed, sex-sorted, re-frozen-thawed dairy bull sperm. Reproduction in Domestic Animals, 42(5), 78-78.
  • Maxwell, W., Parrilla, I., Caballero, I., Garcia, E., Roca, J., Martinez, E., Vazquez, J., Rath, D. (2007). Retained Functional Integrity of Bull Spermatozoa after Double Freezing and Thawing Using PureSperm Density Gradient Centrifugation. Reproduction in Domestic Animals, 42(5), 489-494.
  • Portas, T., Bryant, B., Göritz, F., Hermes, R., Keeley, T., Evans, G., Maxwell, W., Hildebrandt, T. (2007). Semen collection in an Asian Elephant (Elephas maximus) under combined physical and chemical restraint. Australian Veterinary Journal, 85(10), 425-427.
  • Maxwell, W., Leahy, T., Morton, K., Marti, J., Evans, G. (2007). Seminal plasma effects on ruminant and camelid sperm function during processing for storage and sex-sorting. Reproduction in Domestic Animals, 42((Suppl.2)), 60 Abstract W3.2.
  • Maxwell, W., de Graaf, S., El-Hajj Ghaoui, R., Evans, G. (2007). Seminal plasma effects on sperm handling and female fertility. Society of Reproduction and Fertility Supplement, 64, 13-38.
  • de Graaf, S., Evans, G., Maxwell, W., Downing, J., O'Brien, J. (2007). Successful Low Dose Insemination of Flow Cytometrically Sorted Ram Spermatozoa in Sheep. Reproduction in Domestic Animals, 42, 648-653.
  • Reyna, J., Thomson, P., Evans, G., Maxwell, W. (2007). Synchrony of Ovulation and Follicular Dynamics in Merino Ewes Treated with GnRH in the Breeding and Non-breeding Seasons. Reproduction in Domestic Animals, 42(2), 410-417.
  • Beilby, K., Marti, J., Leahy, T., Maxwell, W., Evans, G. (2007). The effect of post-thaw addition of seminal plasma proteins on sex-sorted ram sperm. Reproduction in Domestic Animals, 42, 98-98.
  • Leahy, T., Marti, J., Evans, G., Maxwell, W. (2007). The effect of seminal plasma on the functional integrity of sex-sorted ram sperm. Reproduction in Domestic Animals, 42(S2), 98-99.
  • de Graaf, S., Evans, G., Gillan, L., Guerra, M., Maxwell, W., O'Brien, J. (2007). The influence of antioxidant, cholesterol and seminal plasma on the in vitro quality of sorted and non-sorted ram spermatozoa. Theriogenology: an international journal of animal reproduction, 67(2), 217-227.
  • Morton, K., Rowe, A., Maxwell, W., Evans, G. (2006). In vitro and in vivo survival of bisected sheep embryos derived from frozen-thawed unsorted, and frozen-thawed sex-sorted and refrozen-thawed ram spermatozoa. Theriogenology: an international journal of animal reproduction, 65, 1333-1345. [More Information]
  • de Graaf, S., Evans, G., Maxwell, W., O'Brien, J. (2006). In vitro characteristics of fresh and frozen-thawed ram spermatozoa after sex sorting and re-freezing. Reproduction, Fertility and Development, 18(8), 867-874.
  • Clulow, J., Evans, G., Morris, L., Maxwell, W. (2006). In vitro function of sex-sorted and non-sorted fresh and frozen stallion spermatozoa. Animal Reproduction Science, 94(1-4), 170-173. [More Information]
  • Bathgate, R., Maxwell, W., Evans, G. (2006). Studies on the Effect of Supplementing Boar Semen Cryopreservation Media with Different Avian Egg Yolk Types on in Vitro Post-thaw Sperm Quality. Reproduction in Domestic Animals, 41, 68-73.
  • El-Hajj Ghaoui, R., Thomson, P., Evans, G., Maxwell, W. (2006). The Origin of Membrane Vesicles in Ram Seminal Plasma. Reproduction in Domestic Animals, 41, 98-105.
  • Morton, K., Catt, S., Maxwell, W., Evans, G. (2005). An efficient method of ovarian stimulation and invitro embryo production from prepubatal lambs. Reproduction, Fertility and Development, 17, 701-706.
  • Morton, K., Catt, S., Maxwell, W., Evans, G. (2005). Effects of lamb age, hormone stimulation and response to hormone stimulation on the yield and in vitro developmental competance of prpubatal lamb oocytes. Reproduction, Fertility and Development, 17, 593-601.
  • Gillan, L., Evans, G., Maxwell, W. (2005). Flow cytometric evaluation of sperm parameters in relation to fertility potential. Theriogenology: an international journal of animal reproduction, 63, 445-457.
  • O'Brien, J., Stojanov, T., Crichton, E., Evans, K., Leigh, D., Maxwell, W., Evans, G., Loskutoff, N. (2005). Flow Cytometric Sorting of Fresh and Frozen-Thawed Spermatozoa in the Western Lowland Gorilla (Gorilla gorilla gorilla). American Journal of Primatology, 66, 297-315. [More Information]
  • O'Brien, J., Stojanov, T., Heffernan, S., Hollinshead, F., Vogelnest, L., Maxwell, W., Evans, G. (2005). Flow cytometric sorting of non-human primate sperm nuclei. Theriogenology: an international journal of animal reproduction, 63, 246-259.
  • Buss, H., Clulow, J., Sieme, H., Maxwell, W., Morris, L., Sieg, B., Struckmann, C., Rath, D. (2005). Improvement of the freezability of sex-sorted stallion spermatozoa. Animal Reproduction Science, 89(1-4), 315-318.
  • Morton, K., Catt, S., Maxwell, W., Evans, G. (2005). In vitro and in vivo developmental capabilities and kinetics of in vitro development of in vitro matured oocytes from adult, unstimulated and hormone-stimulated prepubertal ewes. Theriogenology: an international journal of animal reproduction, 64, 1320-1332.
  • Johnson, L., Rath, D., Vazquez, J., Maxwell, W., Dobrinsky, J. (2005). Preselection of sex of offspring in swine for production: current status of the process and its application. Theriogenology: an international journal of animal reproduction, 63(2), 615-624.
  • Morton, K., de Graaf, S., Campbell, A., Tomkins, L., Maxwell, W., Evans, G. (2005). Repeat Ovum Pick-up and in vitro Embryo Production from Adult Ewes with and without FSH treatment. Reproduction in Domestic Animals, 440, 422-428.
  • Morton, K., Catt, S., Hollinshead, F., Maxwell, W., Evans, G. (2005). The effect of gamete co-incubation time during in vitro fertilisation with frozen-thawed unsorted and sex-sorted ram spermatozoa on the development of in vitro matured adult & prepubertal ewe oocytes. Theriogenology: an international journal of animal reproduction, 64(2), 363-377.
  • Hollinshead, F., O'Brien, J., Maxwell, W., Evans, G. (2004). Assessment Of In Vitro Sperm Characeristics After Flow Cytometric Sorting Of Frozen-Thawed Bull Spermatozoa. Theriogenology: an international journal of animal reproduction, 62(5), 958-969.
  • Hollinshead, F., Evans, G., Evans, K., Catt, S., Maxwell, W., O'Brien, J. (2004). Birth Of Lambs Of A Pre-Determined Sex After In Vitro Production Of Embryos Using Frozen-Thawed Sex-Sorted And Re-Frozen-Thawed Ram Spermatozoa. Reproduction, Fertility and Development, 127(5), 557-568.
  • El-Hajj Ghaoui, R., Thomson, P., Evans, G., Maxwell, W. (2004). Characterization and Localization of Membrane Vesicles in Ejaculate Fractions from the Ram, Boar and Stallion. Reproduction in Domestic Animals, 39(3), 173-180.
  • Mortimer, S., Maxwell, W. (2004). Effect Of Medium On The Kinematics Of Frozen-Thawed Ram Spermatozoa. Reproduction, Fertility and Development, 127(2), 285-291.
  • Maxwell, W., Evans, G., Hollinshead, F., Bathgate, R., de Graaf, S., Eriksson, B., Gillan, L., Morton, K., O'Brien, J. (2004). Integration Of Sperm Sexing Technology Into The Art Toolbox. Animal Reproduction Science, 82-83, 79-95. [More Information]
  • Morton, K., Catt, S., Hollinshead, F., Maxwell, W., Evans, G. (2004). Lambs born after in vitro embryo production from prepubertal lamb oocytes and frozen-thawed unsorted and sex-sorted spermatozoa. Reproduction, Fertility and Development, 16, 260-260.
  • Hollinshead, F., O'Brien, J., Gillan, L., Meyers, M., Maxwell, W., Evans, G. (2004). Liquid Storage Of Flow Cytometrically Sorted Ram Spermatozoa. Theriogenology: an international journal of animal reproduction, 62, 587-605.
  • Evans, G., Hollinshead, F., Maxwell, W. (2004). Preservation And Artificial Insemination Of Sexed Semen In Sheep. Reproduction, Fertility and Development, 16(4), 455-464.
  • Gillan, L., Maxwell, W., Evans, G. (2004). Preservation And Evaluation Of Semen For Artificial Insemination. Reproduction, Fertility and Development, 16(4), 447-454.
  • Morton, K., Catt, S., Hollinshead, F., Maxwell, W., Evans, G. (2004). Production Of Lambs After The Transfer Of Fresh And Cryopreserved In Vitro Produced Embryos From Prepubertal Lamb Oocytes And Unsorted And Sex-Sorted Frozen-Thawed Spermatozoa. Reproduction in Domestic Animals, 39(6), 454-461.
  • Tomkins, L., Morton, K., Evans, G., Maxwell, W. (2004). Stimulation Of Follicle Development For Ovum Pick-Up In Adult Ewes. International Journal of Sheep and Wool Science (Wool Technology and Sheep Breeding), 52(3), 202-212.
  • Morton, K., Maxwell, W., Evans, G. (2004). The effect of FSH concentration during IVM and gamete co-incubation length during IVF on the development of unstimulated prepubertal ewe oocytes. Reproduction, Fertility and Development, 16(9), 205-205.
  • Maxwell, W., Hollinshead, F., Rath, D., O'Brien, J., Evans, G. (2003). Effect of dose of sperm processed for sex-sorting, and cryopreservation, on fertility in ewes. Theriogenology: an international journal of animal reproduction, 59, 511-511.
  • O'Brien, J., Hollinshead, F., Evans, K., Evans, G., Maxwell, W. (2003). Flow cytometric sorting of frozen-thawed spermatozoa in sheep and non-human primates. Reproduction, Fertility and Development, 15(7), 367-375.
  • Hollinshead, F., Gillan, L., O'Brien, J., Evans, G., Maxwell, W. (2003). In vitro and in vivo assessment of functional capacity of flow cytometrically sorted ram spermatozoa after freezing and thawing. Reproduction, Fertility and Development, 15(6), 351-359.
  • Schembri, M., Major, D., Suttie, J., Maxwell, W., Evans, G. (2003). Modification of standard freezing media to limit capacitation and maximise motility of frozen-thawed equine spermatozoa. Australian Veterinary Journal, 81(12), 748-751.
  • Hollinshead, F., Evans, G., Maxwell, W., O'Brien, J. (2003). Sex sorting and re-cryopreservation of frozen-thawed ram sperm for in vitro embryo production. Theriogenology: an international journal of animal reproduction, 59(209), 209.
  • Morris, L., Hollinshead, F., Evans, G., Maxwell, W. (2003). The longevity and acrosome status of flow sorted stallion spermatozoa. Theriogenology: an international journal of animal reproduction, 59.
  • Schembri, M., Major, D., Suttie, J., Maxwell, W., Evans, G. (2002). Capacitation - like changes in equine spermatozoa thoughout the cryopreservation process. Reproduction, Fertility and Development, 14, 225-233.
  • Hollinshead, F., O'Brien, J., Maxwell, W., Evans, G. (2002). Production of lambs of predetermined sex after the insemination of ewes with low numbers of frozen-thawed sorted X - or - Y chromosone bearing spermatozoa. Reproduction, Fertility and Development, 14(8), 503-508.

Conferences

  • de Graaf, S., Grupen, C., Rickard, J., Bathgate, R., Mactier, S., Kohnke, B., Crossett, B., Maxwell, W., Christopherson, R., Druart, X. (2012). Identification of Membrane Glycoproteins of Ejaculated and Epididymal Boar Spermatozoa Using LC-MS/MS. The 2nd World Congress of Reproductive Biology, N/A: N/A.
  • Gibb, Z., Grupen, C., Maxwell, W., Morris, L. (2012). Improvements in the Fertility of Cryopreserved, Sex-Sorted Stallion Sperm After Low-Dose Hysteroscopic Insemination. 38th Annual Meeting of the International Embryo Transfer Society, N/A: N/A.
  • Gibb, Z., Grupen, C., Maxwell, W., Morris, L. (2011). Field Fertility of Sex-Sorted Stallion Sperm After Cryopreservation or Liquid Storage. The 2nd World Congress of Reproductive Biology, N/A: N/A.
  • Gibb, Z., Morris, L., Maxwell, W., Grupen, C. (2010). Dimethyl Formamide Improves the DNA Integrity and Motility of Sex-Sorted Cryopreserved Stallion Spermatozoa. 41st Annual Conference of the Society for Reproductive Biology, Australia: CSIRO Publishing.
  • Beilby, K., Kaurivi, Y., Maxwell, W., Evans, G., de Graaf, S., Grupen, C. (2010). Production of Embryos in Superovulated Ewes Using Frozen-Thawed, Sex-Sorted and Refrozen-Thawed Sperm. 41st Annual Conference of the Society for Reproductive Biology, Australia: CSIRO Publishing.
  • Gibb, Z., Morris, L., Maxwell, W., Grupen, C. (2010). Quercetin improves the DNA integrity of sex-sorted stallion spermatozoa. Society for Reproductive Biology/Australian Endocrine Society, Australia: Australian Society for Reproductive Biology.
  • Leahy, T., Marti, J., Crossett, B., Evans, G., Maxwell, W. (2010). Two-dimensional polyacrylamide gel electrophoresis of membrane proteins from flow cytometrically sorted ram spermatozoa. Society for Reproductive Biology/Australian Endocrine Society, Australia: Australian Society for Reproductive Biology.
  • Morris, L., Maxwell, W., Evans, G., Grupen, C. (2009). Hoechst 33342 Staining Conditions Affect the Efficiency of Sex-Sorting Stallion Sperm. 13th Annual Conference of the European Society for Domestic Animal Reproduction (ESDAR), USA: Wiley.
  • Beilby, K., Grupen, C., Maxwell, W., Evans, G. (2008). Difference in blastocyst developmental rates between embryos derived from sex-sorted and non-sorted ram sperm, both in vivo and in vitro. 1st General Gemini Conference 2008, Belgium: European Cooperation in Science and Technology (COST).
  • Gibb, Z., Morris, L., Grupen, C., Evans, G., Maxwell, W. (2008). Effect of protein source in stallion semen diluent on the motility, acrosome integrity and morphology of sperm. 16th International Congress on Animal Reproduction 2008, Germany: Wiley-Blackwell Publishing.
  • Beilby, K., Grupen, C., Maxwell, W., Evans, G. (2008). Effective low dose insemination with sex-sorted ram spermatozoa. 16th International Congress on Animal Reproduction 2008, Germany: Wiley-Blackwell Publishing.
  • Beilby, K., Grupen, C., Maxwell, W., Evans, G. (2008). In vivo development of embryos derived from sex-sorted and non-sorted ram sperm. 39th Annual Conference of the Society for Reproductive Biology 2008, Australia: CSIRO Publishing.
  • Beilby, K., Grupen, C., Maxwell, W., Evans, G. (2008). Post-thaw survival of sex-sorted ram spermatozoa frozen at varying densities and cyrodiluent concentrations. 6th Biannual Meeting of the Association for Applied Animal Andrology AAAA 2008. Association for Applied Animal Andrology.
  • Gibb, Z., Grupen, C., Morris, L., Evans, G., Maxwell, W. (2008). Substitution of skim milk with bovine serum albumin in a stallion semen diluent. 39th Annual Conference of the Society for Reproductive Biology 2008, Australia: CSIRO Publishing.
  • Beilby, K., Grupen, C., Maxwell, W., Evans, G. (2007). Enhanced pregnancy rates following low dose insemination with sex-sorted ram sperm. 2007 SRB Annual Scientific Conference, Australia: Australian Society for Reproductive Biology.
  • Grupen, C., Dunkley, E., Maxwell, W., Evans, G. (2007). Production of monozygotic twin lambs from sex-sorted sperm by embryo bisection. 2007 SRB Annual Scientific Conference, Australia: Australian Society for Reproductive Biology.
  • Maxwell, W., de Graaf, S., El-Hajj Ghaoui, R., Evans, G. (2007). Seminal plasma effects on sperm handling and female fertility. In: Reproduction in Domestic Ruminants VI (INVITED REVIEW). 7th International Symposium on Reproduction in Domestic Ruminants, Nottingham, UK: Nottingham University Press.
  • Morton, K., Bathgate, R., Evans, G., Maxwell, W. (2006). A comparison of 3 diluents for the cryopreservation of epididymal alpaca sperm. Australian Alpaca Association Conference, Adelaide: Australian Alpaca Association.
  • Underwood, S., Bathgate, R., Gillan, L., Maxwell, W., Evans, G. (2006). A comparison of staining media for sex-sorting cooled dairy bull spermatozoa. 7th International Ruminant Reproduction Symposium.
  • Underwood, S., Bathgate, R., Gillan, L., Maxwell, W., Evans, G. (2006). A comparison of staining medium for sex- sorting frozen thawed Bull sperm. European Society of Domestic Animal Reproduction, Germany: Blackwell Publishers.
  • Morton, K., Bathgate, R., Evans, G., Maxwell, W. (2006). A Comparison of Three Diluents for the Cryopreservation of Epididymal Alpaca Sperm. European Society of Domestic Animal Reproduction, Germany: Blackwell Publishers.
  • Clulow, J., Evans, G., Maxwell, W., Rodger, J., Cawdell-Smith, A., Sieme, H., Rath, D., Morris, L. (2006). Birth of foals from Artificial Insemination with sex-sorted and non sorted Frozen Stallion Spermatozoa. European Society of Domestic Animal Reproduction, Germany: Blackwell Publishers.
  • Morton, K., Bathgate, R., Evans, G., Maxwell, W. (2006). Cryopreservation of epididymal alpaca sperm in pellets and straws frozen on dry ice or in liquid nitrogen. Australian Alpaca Association Conference, Adelaide: Australian Alpaca Association.
  • Bailey, K., Morton, K., Bathgate, R., Evans, G., Maxwell, W. (2006). Effect of Alpaca age on testes growth and development , sperm production and post-thaw sperm survival: preliminary results. Australian Alpaca Association Conference, Adelaide: Australian Alpaca Association.
  • Underwood, S., Gillan, L., Maxwell, W., Evans, G. (2006). Flow cytometric sorting of frozen-thawed dairy cattle spermatozoa for pre-determination of sex. Dairy Science Symposium 2006, Australia: National Dairy Association.
  • Grossfeld, R., Sieg, B., Struckmann, C., Rath, D., Maxwell, W. (2006). Improvement of Sperm Quality of Flow Cytometrically Sorted and Frozen/Thawed Boar Spermatozoa Employing a New Semen Extender (Sexcess-B@). European Society of Domestic Animal Reproduction, Germany: Blackwell Publishers.
  • de Graaf, S., Evans, G., Maxwell, W., O'Brien, J. (2006). In vitro differences between sex-sorted ram sperm originating from fresh or frozen-thawed samples. 39th Annual Conference of Physiology and Pathology of Reproduction and 31st Mutual Conference on Veterinary and Human Reproductive Medicine, u/k: Blackwell Synergy.
  • de Graaf, S., Evans, G., Maxwell, W., O'Brien, J. (2006). Invitro differences between sex sorted Ram sperm Originating from Fresh or Frozen/Thawed samples. European Society of Domestic Animal Reproduction, Germany: Blackwell Publishers.
  • de Graaf, S., Leahy, T., Gillan, L., Evans, G., Maxwell, W., O'Brien, J. (2006). Kinematics of sex-sorted ram spermatozoa in response to seminal plasma. 7th International Symposium on Reproduction in Domestic Ruminants, Nottingham, UK: Nottingham University Press.
  • Leahy, T., Morton, K., Maxwell, W., Evans, G. (2006). Peculiarities and problems in alpaca reproduction. 5th Annual Postgraduate Research Conference, Australia: 5th Annual Postgraduate Research Conference.
  • Morton, K., Ruckholdt, M., Evans, G., Maxwell, W. (2006). Preliminary development of sperm sexing technology in Alpacas (Lama pacos). 1st Conference of the International Society of Camilids research and Development, UAE: Unversity of UAE.
  • Morton, K., Maxwell, W. (2006). The continued development of AI technology in alpacas. Proceedings of the Australian Alpaca Association Conference, Australia: Proceedings of the Australian Alpaca Association Conference.
  • Reyna, J., Morton, K., Evans, G., Maxwell, W. (2005). Collection and evaluation of alpaca sperm. 4th Annual Postgraduate Research Conference, Australia: 4th Annual Postgraduate Research Conference.
  • Bathgate, R., Eriksson, B., Maxwell, W., Evans, G. (2005). Effect of pre-freeze addition of platelet-activating factor and platelet-activating factor:acetylhydrolase on the post thaw integrity of frozen-thawed boar sperm. International Embryo Transfer Society Reproduction, Collingwood, Vic.: CSIRO.
  • Buss, H., Clulow, J., Maxwell, W., Sieme, H., Morris, L., Klinc, P., Sieg, B., Struckmann, C., Rath, D. (2005). Longtime storage of sex selected frozen stallion semen. 38th Annual Meeting of Physiology and Pathology of Reproduction, Switzerland: Schweiz Arch Tierheilk.
  • Bathgate, R., Morton, K., Eriksson, B., Rath, D., Sieg, B., Chami, O., Stojanov, T., Maxwell, W., Evans, G. (2005). Production of porcine embryos of a predetermined sex after in vitro fertilisation of in vitro matured oocytes with sex-sorted frozen-thawed boar sperm. International Embryo Transfer Society Reproduction, Collingwood, Vic.: CSIRO.
  • Eriksson, B., Bathgate, R., Maxwell, W., Evans, G. (2004). Developing techniques for pig AI. Australian Association of Pig Veterinarians, Eight Mile Plains, Qld.: Australian Association of Pig Veterinarians.
  • Morton, K., Maxwell, W., Evans, G. (2004). Effect of PMSG administration on the growth and development of the reproductive tract of prepubertal ram lambs. 15th International Congress on Animal Reproduction ICAR 2004, Netherlands: Elsevier.
  • Buss, H., Clulow, J., Sieme, H., Maxwell, W., Morris, L., Sieg, B., Struckmann, C., Klinc, P., Rath, D. (2004). Einsatz von gesextem Sperma in der Pferdezucht. Lecture session of the German Society for Plant Breeding customer and the Society for animal breeding science, Germany: German Society for breeding.
  • O'Brien, J., Hollinshead, F., Evans, G., Maxwell, W. (2004). In vivo developmental capacity of in vivo produced sexed embryos derived from sex-sorted and re-cryopreserved frozen-thawed ram sperm. Annual Conference of the International Embryo Transfer Society, melbourne: CSIRO Publishing.
  • Maxwell, W., Evans, G., Hollinshead, F., Bathgate, R., de Graaf, S., Eriksson, B., Gillan, L., Morton, K., O'Brien, J. (2004). Intergration Of Sperm Sexing Technology Into The Art Toolbox. 15th International Congress on Animal Reproduction ICAR 2004, Netherlands: Elsevier.
  • de Graaf, S., Gillan, L., Evans, G., Maxwell, W., O'Brien, J. (2004). The effect of sheath fluid on the quality of sex-sorted ram spermatozoa. Annual Conference of the International Embryo Transfer Society, melbourne: CSIRO Publishing.
  • Eriksson, B., Bathgate, R., Maxwell, W., Evans, G. (2003). Effect of seminal plasma protein fractions on boar spermatozoa motility and acrosome integrity. 5th International Conference on Boar Semen Preservation. Elservier Science Ltd.
  • Morton, K., Catt, S., Maxwell, W., Evans, G. (2003). Initiation of spermatogenesis in prepubertal lambs. 3rd Annual Postgraduate Research Conference, Australia: 3rd Annual Postgraduate Research Conference.
  • Bathgate, R., Eriksson, B., Maxwell, W., Evans, G. (2003). Low dose deep intrauterine insemination of sows with fresh and frozen-thawed spermatozoa. 5th International Conference on Boar Semen Preservation. Elservier Science Ltd.
  • Bathgate, R., Eriksson, B., Maxwell, W., Evans, G. (2003). Potential damage to the uterine lining after non-surgical deep intrauterine insemination of sows. Biennial Conference of the Australasian Pig Science Association. 2003, Werribee, Vic.: Australasian Pig Science Association.
  • O'Brien, J., Stojanov, T., Riches, J., Evans, K., Schenk, J., Evans, G., Maxwell, W., Loskutoff, N. (2003). Sex ratio modification using sperm sorting and assisted reproductive technology - a population management strategy. Second International Symposium on Assisted Reproductive Technology (ART), Omaha, NE, USA: Henry Doorly Zoo.
  • Bathgate, R., Eriksson, B., Maxwell, W., Evans, G. (2002). Addition of seminal plasma to boar sperm before and after cryopreservation. Australian Society for Reproductive Biology. Meeting, 2002, Perth: Australian Society for Reproductive Biology.
  • Bathgate, R., Eriksson, B., Maxwell, W., Evans, G. (2002). Effect of seminal plasma on frozen-thawed boar semen. Australian Society for Reproductive Biology. Meeting, 2002, Perth: Australian Society for Reproductive Biology.
  • Hollinshead, F., Rath, D., O'Brien, J., Maxwell, W., Evans, G. (2002). Effect of time of insemination and dose of sorted cryopreserved ram sperm on fertility in ewes. Australian Society for Reproductive Biology. Meeting, 2002, Perth: Australian Society for Reproductive Biology.
  • Hollinshead, F., Maxwell, W., Evans, G., O'Brien, J. (2002). Flow cytometric sorting of frozen-thawed ram spermatozoa. Australian Society for Reproductive Biology. Meeting, 2002, Perth: Australian Society for Reproductive Biology.
  • Morton, K., Catt, S., Maxwell, W., Evans, G. (2002). In vitro production of embryos from prepubertal lambs and frozen-thawed sex-sorted spermatozoa. 2nd Annual Postgraduate Research Conference, Australia: 2nd Annual Postgraduate Research Conference.
  • Bathgate, R., Eriksson, B., Maxwell, W., Evans, G. (2001). Comparison of boar semen freezing methods. Biennial Conference of the Australasian Pig Science Association, 2001, Werribee, Vic.: Australasian Pig Science Association.
  • Wadley, R., O'Brien, J., Hollinshead, F., Evans, K., Evans, G., Maxwell, W. (2001). Flow cytometric sorting of spermatozoa - sex pre-determination for livestock and wildlife species. Annual Meeting of the Australasian Flow Cytometry Group. Aust. Flow Cytometry Group.
  • Hollinshead, F., O'Brien, J., He, L., Maxwell, W., Evans, G. (2001). Pregnancies after insemination of ewes with sorted, cryopreserved ram spermatozoa. Society for Reproductive Biology Annual Scientific Conference 2001, u/k: Australian Society for Reproductive Biology.
  • O'Brien, J., He, L., Stojanov, T., Birrell, A., Maxwell, W., Evans, G. (2001). Preliminary developments of sperm sorting technology in non-human primates. 34th Annual Meeting, Society for the Study of Reproduction, Kansas USA: Allen Press Inc.

Other

  • Morton, K., Herrmann, D., Sieg, B., Struckmann, C., Maxwell, W., Rath, D., Evans, G., Korsawe, K., Lucas-Hahn, A., niemann, H., et al (2007), Einfluss von gesextem Sperma auf das mRNA-Expressionmuster boviner in vitro produzierter Blastozysten. der deutschsprachigen Arbeitsgemeinschaft Embryotransfer.

2014

  • Rickard, J., Pini, T., Soleilhavoup, C., Cognie, J., Bathgate, R., Lynch, G., Evans, G., Maxwell, W., Druart, X., de Graaf, S. (2014). Seminal plasma aids the survival and cervical transit of epididymal ram spermatozoa. Reproduction, 148, 469-478. [More Information]

2013

  • Bathgate, R., Mace, N., Heasman, K., Evans, G., Maxwell, W., de Graaf, S. (2013). Birth of Kids after Artificial Insemination with Sex-Sorted, Frozen-Thawed Goat Spermatozoa. Reproduction in Domestic Animals, 48(6), 893-898. [More Information]
  • Gibb, Z., Morris, L., Maxwell, W., Grupen, C. (2013). Dimethyl formamide improves the postthaw characteristics of sex-sorted and nonsorted stallion sperm. Theriogenology: an international journal of animal reproduction, 79, 1027-1033. [More Information]
  • Del Valle, I., Souter, A., Maxwell, W., Muino-Blanco, T., Cebrian-Perez, J. (2013). Function of ram spermatozoa frozen in diluents supplimented with casein and vegetable oils. Animal Reproduction Science, 138(3-4), 213-219. [More Information]
  • Gibb, Z., Butler, T., Morris, L., Maxwell, W., Grupen, C. (2013). Quercetin improves the postthaw characteristics of cryopreserved sex-sorted and nonsorted stallion sperm. Theriogenology: an international journal of animal reproduction, 79, 1001-1009. [More Information]
  • Kershaw-Young, C., Stuart, C., Evans, G., Maxwell, W. (2013). The Effect of Glycosaminoglycan Enzymes and Proteases on the Viscosity of Alpaca Seminal Plasma and Sperm Function. Animal Reproduction Science, 138, 261-267. [More Information]

2012

  • Kershaw-Young, C., Druart, X., Vaughan, J., Maxwell, W. (2012). Beta-Nerve growth factor is a major component of alpaca seminal plasma and induces ovulation in female alpacas. Reproduction, Fertility and Development, 24(8), 1093-1097. [More Information]
  • Morton, K., Gibb, Z., Leahy, T., Maxwell, W. (2012). Effect of enzyme treatment and mechanical removal of alpaca (Vicugna pacos) seminal plasma on sperm functional integrity. Journal of Camelid Science, 5, 62-81.
  • Clulow, J., Buss, H., Evans, G., Sieme, H., Rath, D., Morris, L., Maxwell, W. (2012). Effect of Staining and freezing media on sortability of stallion spermatozoa and their post-thaw viability after sex-sorting and cryopreservation. Reproduction in Domestic Animals, 47(1), 1-7. [More Information]
  • Kershaw-Young, C., Evans, G., Maxwell, W. (2012). Glycosaminoglycans in the accessory sex glands, testes and seminal plasma of alpaca and ram. Reproduction, Fertility and Development, 24(2), 362-369. [More Information]
  • de Graaf, S., Grupen, C., Rickard, J., Bathgate, R., Mactier, S., Kohnke, B., Crossett, B., Maxwell, W., Christopherson, R., Druart, X. (2012). Identification of Membrane Glycoproteins of Ejaculated and Epididymal Boar Spermatozoa Using LC-MS/MS. The 2nd World Congress of Reproductive Biology, N/A: N/A.
  • Gibb, Z., Grupen, C., Maxwell, W., Morris, L. (2012). Improvements in the Fertility of Cryopreserved, Sex-Sorted Stallion Sperm After Low-Dose Hysteroscopic Insemination. 38th Annual Meeting of the International Embryo Transfer Society, N/A: N/A.
  • Kershaw-Young, C., Maxwell, W. (2012). Seminal Plasma Components in Camelids and Comparisons with Other Species. Reproduction in Domestic Animals, 47(Suppl. 4), 369-375. [More Information]

2011

  • Gibb, Z., Grupen, C., Maxwell, W., Morris, L. (2011). Field Fertility of Sex-Sorted Stallion Sperm After Cryopreservation or Liquid Storage. The 2nd World Congress of Reproductive Biology, N/A: N/A.
  • Beilby, K., de Graaf, S., Evans, G., Maxwell, W., Wilkening, S., Wrenzycki, C., Grupen, C. (2011). Quantitative mRNA expression in ovine blastocysts produced from X- and Y-chromosome bearing sperm, both in vitro and in vivo. Theriogenology: an international journal of animal reproduction, 76(3), 471-481. [More Information]
  • Kershaw-Young, C., Maxwell, W. (2011). The effect of Seminal Plasma on Alpaca Sperm Function. Theriogenology: an international journal of animal reproduction, 76(7), 1197-1206. [More Information]
  • Leahy, T., Marti, J., Crossett, B., Evans, G., Maxwell, W. (2011). Two-dimentional polyacrylamide gel electrophoresis of membrane proteins from flow cytometrically sorted ram sperm. Theriogenology: an international journal of animal reproduction, 75(5), 962-971. [More Information]
  • Gibb, Z., Morris, L., Maxwell, W., Grupen, C. (2011). Use of defined diluent increases the sex-sorting efficiency of stallion sperm. Theriogenology: an international journal of animal reproduction, 75(4), 610-619. [More Information]

2010

  • Underwood, S., Bathgate, R., Maxwell, W., Evans, G. (2010). Birth of offspring after artificial insemination of heifers with frozen-thawed, sex-sorted, re-frozen-thawed bull sperm. Animal Reproduction Science, 118(2-4), 171-175. [More Information]
  • Gibb, Z., Morris, L., Maxwell, W., Grupen, C. (2010). Dimethyl Formamide Improves the DNA Integrity and Motility of Sex-Sorted Cryopreserved Stallion Spermatozoa. 41st Annual Conference of the Society for Reproductive Biology, Australia: CSIRO Publishing.
  • Morton, K., Evans, G., Maxwell, W. (2010). Effect of glycerol concentration, Equex STM supplementation and liquid storage prior to freezing on the motility and acrosome integrity of frozen-thawed epididymal alpaca (Vicugna pacos) sperm. Theriogenology: an international journal of animal reproduction, 74, 311-316.
  • Underwood, S., Bathgate, R., Pereira, D., Castro, A., Thomson, P., Maxwell, W., Evans, G. (2010). Embryo production after in vitro fertilization with  frozen-thawed, sex-sorted, re-frozen-thawed bull sperm. Theriogenology: an international journal of animal reproduction, 73, 97-102. [More Information]
  • Clulow, J., Evans, G., Maxwell, W., Morris, L. (2010). Evaluation of the function of fresh and frozen-thawed sex-sorted and non-sorted stallion spermatozoa using a heterologous oocyte binding assay. Reproduction, Fertility and Development, 22, 710-717.
  • Leahy, T., Celi, P., Bathgate, R., Evans, G., Maxwell, W., Marti, J. (2010). Flow-sorted ram spermatozoa are highly suseptible to hydrogen peroxide damage but are protected by seminal plasma and catalase. Reproduction, Fertility and Development, 22(7), 1131-1140.
  • Leahy, T., Marti, J., Mendoza, N., Perez-Pe, R., Muino-Blanco, T., Cebrian-Perez, J., Evans, G., Maxwell, W. (2010). High pre-freezing dilution improves post-thaw function of ram spermatozoa. Animal Reproduction Science, 119(1-2), 137-146.
  • Beilby, K., Kaurivi, Y., Maxwell, W., Evans, G., de Graaf, S., Grupen, C. (2010). Production of Embryos in Superovulated Ewes Using Frozen-Thawed, Sex-Sorted and Refrozen-Thawed Sperm. 41st Annual Conference of the Society for Reproductive Biology, Australia: CSIRO Publishing.
  • Gibb, Z., Morris, L., Maxwell, W., Grupen, C. (2010). Quercetin improves the DNA integrity of sex-sorted stallion spermatozoa. Society for Reproductive Biology/Australian Endocrine Society, Australia: Australian Society for Reproductive Biology.
  • Leahy, T., Marti, J., Evans, G., Maxwell, W. (2010). Seasonal variation in the protective effect of seminal plasma on frozen-thawed ram spermatozoa. Animal Reproduction Science, 119, 147-153.
  • Leahy, T., Evans, G., Maxwell, W., Marti, J. (2010). Seminal plasma proteins do not consistently improve fertility after cervical insemination of ewes with non-sorted or sex-sorted frozen-thawed ram spermatozoa. Reproduction, Fertility and Development, 22, 606-612.
  • Leahy, T., Marti, J., Crossett, B., Evans, G., Maxwell, W. (2010). Two-dimensional polyacrylamide gel electrophoresis of membrane proteins from flow cytometrically sorted ram spermatozoa. Society for Reproductive Biology/Australian Endocrine Society, Australia: Australian Society for Reproductive Biology.

2009

  • Underwood, S., Bathgate, R., Maxwell, W., Evans, G. (2009). Development of Procedures for Sex-sorting Frozen-thawed Bovine Spermatozoa. Reproduction in Domestic Animals, 44(3), 460-466. [More Information]
  • Clulow, J., Evans, G., Morris, L., Maxwell, W. (2009). Factors influencing the "sortability" of stallion spermatozoa into X- and Y-chromosome bearing populations. Animal Reproduction Science, 113(1-4), 220-228. [More Information]
  • Behr, B., Rath, D., Mueller, P., Hildebrandt, T., Goeritz, F., Braun, B., Leahy, T., de Graaf, S., Maxwell, W., Hermes, R. (2009). Feasibility of sex-sorting sperm from the white and the black rhinoceros (Ceratotherium simum, Diceros bicornis). Theriogenology: an international journal of animal reproduction, 72(3), 353-364. [More Information]
  • Behr, B., Rath, D., Hildebrandt, T., Goeritz, F., Blottner, S., Portas, T., Bryant, B., Sieg, B., Knieriem, A., de Graaf, S., Maxwell, W., et al (2009). Germany/Australia Index of sperm sex sortability in Elephants and Rhinoceros. Reproduction in Domestic Animals, 44(2), 273-277. [More Information]
  • Morris, L., Maxwell, W., Evans, G., Grupen, C. (2009). Hoechst 33342 Staining Conditions Affect the Efficiency of Sex-Sorting Stallion Sperm. 13th Annual Conference of the European Society for Domestic Animal Reproduction (ESDAR), USA: Wiley.
  • Underwood, S., Bathgate, R., Maxwell, W., Evans, G. (2009). In vitro characteristics of frozen-thawed, sex-sorted bull sperm after refreezing or incubation at 15 or 37oC. Theriogenology: an international journal of animal reproduction, 72(7), 1001-1008.
  • Underwood, S., Bathgate, R., Ebsworth, M., Maxwell, W., Evans, G. (2009). Pregnancy loss in heifers after artificial insemination with frozen-thawed, sex-sorted, re-frozen-thawed dairy bull sperm. Animal Reproduction Science, 118, 7-12. [More Information]
  • Morton, K., Thomson, P., Bailey, K., Evans, G., Maxwell, W. (2009). Quality Parameters for Alpaca (Vicugna pacos) Semen are Affected by Semen Collection Procedure. Reproduction in Domestic Animals, Online, 1-7.
  • Leahy, T., Marti, J., Evans, G., Maxwell, W. (2009). Seminal plasma proteins protect flow-sorted ram spermatozoa from freeze-thaw damage. Reproduction, Fertility and Development, 21(4), 571-578. [More Information]
  • de Graaf, S., Beilby, K., Underwood, S., Evans, G., Maxwell, W. (2009). Sperm sexing in sheep and cattle: The exception and the rule. Theriogenology: an international journal of animal reproduction, 71(1), 89-97. [More Information]
  • Beilby, K., Grupen, C., Thomson, P., Maxwell, W., Evans, G. (2009). The effect of insemination time and sperm dose on pregnancy rate using sex-sorted ram sperm. Theriogenology: an international journal of animal reproduction, 71(5), 829-835. [More Information]

2008

  • Clulow, J., Mansfield, L., Morris, L., Evans, G., Maxwell, W. (2008). A comparison between freezing methods for the cryopreservation of stallion spermatozoa. Animal Reproduction Science, 108, 298-308.
  • de Graaf, S., Leahy, T., Marti, J., Evans, G., Maxwell, W. (2008). Application of Seminal Plasma in Sex-Sorting and Sperm Cryopreservation. Theriogenology: an international journal of animal reproduction, 70, 1360-1363.
  • Gillan, L., Kroetsch, T., Maxwell, W., Evans, G. (2008). Assessment of in vitro sperm characteristics in relation to fertility in Dairy bulls. Animal Reproduction Science, 103, 201-214.
  • Beilby, K., Grupen, C., Maxwell, W., Evans, G. (2008). Difference in blastocyst developmental rates between embryos derived from sex-sorted and non-sorted ram sperm, both in vivo and in vitro. 1st General Gemini Conference 2008, Belgium: European Cooperation in Science and Technology (COST).
  • Bathgate, R., Grossfeld, R., Susetio, D., Ruckholdt, M., Heasman, K., Rath, D., Evans, G., Maxwell, W. (2008). Early Pregnancy loss in sows after low-dose, deep uterine artificial insemination with sex-sorted, frozen-thawed sperm. Animal Reproduction Science, 104, 440-444.
  • Morton, K., Maxwell, W., Evans, G. (2008). Effect of Aspiration Pressure during Oocyte Harvesting on Oocyte Recovery and in vitro Development of Ovine Oocytes. Reproduction in Domestic Animals, 43, 106-110.
  • Gibb, Z., Morris, L., Grupen, C., Evans, G., Maxwell, W. (2008). Effect of protein source in stallion semen diluent on the motility, acrosome integrity and morphology of sperm. 16th International Congress on Animal Reproduction 2008, Germany: Wiley-Blackwell Publishing.
  • Beilby, K., Grupen, C., Maxwell, W., Evans, G. (2008). Effective low dose insemination with sex-sorted ram spermatozoa. 16th International Congress on Animal Reproduction 2008, Germany: Wiley-Blackwell Publishing.
  • Kelly, J., Kleemann, D., Maxwell, W., Walker, S. (2008). Effects of Insulin-like growth factor -1, epidermal growth factor and cysteamine on the in vitro maturation and development of oocytes collected from 6 to 8 week old Merino lambs. Reproduction, Fertility and Development, 20, 570-578.
  • Bathgate, R., Eriksson, B., Thomson, P., Maxwell, W., Evans, G. (2008). Field fertility of frozen-thawed boar sperm at low doses using non-surgical, deep uterine insemination. Animal Reproduction Science, 103(3-4), 323-335.
  • Clulow, J., Buss, H., Sieme, H., Rodger, J., Cawdell-Smith, A., Evans, G., Rath, D., Morris, L., Maxwell, W. (2008). Field fertility of sex-sorted and non-sorted frozen-thawed stallion spermatozoa. Animal Reproduction Science, 108, 287-297.
  • Beilby, K., Grupen, C., Maxwell, W., Evans, G. (2008). In vivo development of embryos derived from sex-sorted and non-sorted ram sperm. 39th Annual Conference of the Society for Reproductive Biology 2008, Australia: CSIRO Publishing.
  • Grossfeld, R., Sieg, B., Struckmann, C., Frenzel, A., Maxwell, W., Rath, D. (2008). New Aspects of Boar Semen Freezing Strategies. Theriogenology: an international journal of animal reproduction, 70, 1225-1233.
  • Beilby, K., Grupen, C., Maxwell, W., Evans, G. (2008). Post-thaw survival of sex-sorted ram spermatozoa frozen at varying densities and cyrodiluent concentrations. 6th Biannual Meeting of the Association for Applied Animal Andrology AAAA 2008. Association for Applied Animal Andrology.
  • Morton, K., Ruckholdt, M., Evans, G., Maxwell, W. (2008). Quantification of the DNA difference, and separation of X- and - Y Bearing Sperm in Alpacas (Vicugna pacos). Reproduction in Domestic Animals, 43, 638-642.
  • Gibb, Z., Grupen, C., Morris, L., Evans, G., Maxwell, W. (2008). Substitution of skim milk with bovine serum albumin in a stallion semen diluent. 39th Annual Conference of the Society for Reproductive Biology 2008, Australia: CSIRO Publishing.

2007

  • Clulow, J., Maxwell, W., Evans, G., Morris, L. (2007). A comparison of duck and chicken egg yolk for cryopreservation of stallion sperm. Australian Veterinary Journal, 85(6), 232-235.
  • Andrabi, S., Maxwell, W. (2007). A review on reproductive biotechnologies for conservation of endangered mammalian species. Animal Reproduction Science, 99(3-4), 223-243.
  • Morton, K., Herrmann, D., Sieg, B., Struckmann, C., Maxwell, W., Rath, D., Evans, G., Lucas-Hahn, A., Niemann, H., Wrenzycki, C. (2007). Altered mRNA Expression Patterns in Bovine Blastocysts After Fertilisation In Vitro Using Flow-Cytometrically Sex-Sorted Sperm. Molecular Reproduction and Development, 74(8), 931-940.
  • El-Hajj Ghaoui, R., Thomson, P., Leahy, T., Evans, G., Maxwell, W. (2007). Autologous Whole Ram Seminal Plasma and its Vesicle-free Fraction Improve Motility Characteristics and Membrane Status but not In Vivo Fertility of Frozen-Thawed Ram Spermatozoa. Reproduction in Domestic Animals, 42(5), 541-549.
  • de Graaf, S., Evans, G., Maxwell, W., Cran, D., O'Brien, J. (2007). Birth of offspring of pre-determined sex after artificial insemination of frozen-thawed, sex-sorted and re-frozen-thawed ram spermatozoa. Theriogenology: an international journal of animal reproduction, 67(2), 391-398.
  • Morton, K., Bathgate, R., Evans, G., Maxwell, W. (2007). Cryopreservation of epididymal alpaca (Vicugna pacos) sperm: a comparison of citrate-, Tris- and lactose-based diluents and pellets and straws. Reproduction, Fertility and Development, 19, 792-796.
  • Kelly, J., Kleemann, D., Maxwell, W., Walker, S. (2007). Effect of GnRH treatment on the maturation and in vitro development of oocytes collected from 4- to 6-week-old Merino lambs. Reproduction, Fertility and Development, 19, 947-953.
  • El-Hajj Ghaoui, R., Gillan, L., Thomson, P., Evans, G., Maxwell, W. (2007). Effect of Seminal Plasma Fractions From Entire and Vasectomized Rams on the Motility Characteristics, Membrane Status, and In Vitro Fertility of Ram Spermatozoa. Journal Of Andrology, 28(1), 109-122.
  • Bathgate, R., Maxwell, W., Evans, G. (2007). Effects of platelet-activating factor and platelet-activating factor: acetylhydrolase on in vitro post-thaw boar sperm parameters. Theriogenology: an international journal of animal reproduction, 67(4), 886-892.
  • Morton, K., Herrmann, D., Sieg, B., Struckmann, C., Maxwell, W., Rath, D., Evans, G., Korsawe, K., Lucas-Hahn, A., niemann, H., et al (2007), Einfluss von gesextem Sperma auf das mRNA-Expressionmuster boviner in vitro produzierter Blastozysten. der deutschsprachigen Arbeitsgemeinschaft Embryotransfer.
  • de Graaf, S., Beilby, K., O'Brien, J., Osborn, D., Downing, J., Maxwell, W., Evans, G. (2007). Embryo production from superovulated sheep inseminated with sex-sorted ram spermatozoa. Theriogenology: an international journal of animal reproduction, 67(3), 550-555.
  • Beilby, K., Grupen, C., Maxwell, W., Evans, G. (2007). Enhanced pregnancy rates following low dose insemination with sex-sorted ram sperm. 2007 SRB Annual Scientific Conference, Australia: Australian Society for Reproductive Biology.
  • de Graaf, S., Peake, K., Maxwell, W., O'Brien, J., Evans, G. (2007). Influence of supplementing diet with Oleic and Linoleic acid on the freezing ability and sex-sorting parameters of ram semen. Livestock Science, 110, 166-173.
  • Bathgate, R., Morton, K., Eriksson, B., Rath, D., Sieg, B., Maxwell, W., Evans, G. (2007). Non-surgical deep intra-uterine transfer of in vitro produced porcine embryos derived from sex-sorted frozen-thawed boar sperm. Animal Reproduction Science, 99(1-2), 82-92.
  • Underwood, S., Bathgate, R., Maxwell, W., O'Donnell, M., Evans, G. (2007). Pregnancies after artificial insemination of frozen-thawed, sex-sorted, re-frozen-thawed dairy bull sperm. Reproduction in Domestic Animals, 42(5), 78-78.
  • Grupen, C., Dunkley, E., Maxwell, W., Evans, G. (2007). Production of monozygotic twin lambs from sex-sorted sperm by embryo bisection. 2007 SRB Annual Scientific Conference, Australia: Australian Society for Reproductive Biology.
  • Maxwell, W., Parrilla, I., Caballero, I., Garcia, E., Roca, J., Martinez, E., Vazquez, J., Rath, D. (2007). Retained Functional Integrity of Bull Spermatozoa after Double Freezing and Thawing Using PureSperm Density Gradient Centrifugation. Reproduction in Domestic Animals, 42(5), 489-494.
  • Portas, T., Bryant, B., Göritz, F., Hermes, R., Keeley, T., Evans, G., Maxwell, W., Hildebrandt, T. (2007). Semen collection in an Asian Elephant (Elephas maximus) under combined physical and chemical restraint. Australian Veterinary Journal, 85(10), 425-427.
  • Maxwell, W., Leahy, T., Morton, K., Marti, J., Evans, G. (2007). Seminal plasma effects on ruminant and camelid sperm function during processing for storage and sex-sorting. Reproduction in Domestic Animals, 42((Suppl.2)), 60 Abstract W3.2.
  • Maxwell, W., de Graaf, S., El-Hajj Ghaoui, R., Evans, G. (2007). Seminal plasma effects on sperm handling and female fertility. Society of Reproduction and Fertility Supplement, 64, 13-38.
  • Maxwell, W., de Graaf, S., El-Hajj Ghaoui, R., Evans, G. (2007). Seminal plasma effects on sperm handling and female fertility. In: Reproduction in Domestic Ruminants VI (INVITED REVIEW). 7th International Symposium on Reproduction in Domestic Ruminants, Nottingham, UK: Nottingham University Press.
  • de Graaf, S., Evans, G., Maxwell, W., Downing, J., O'Brien, J. (2007). Successful Low Dose Insemination of Flow Cytometrically Sorted Ram Spermatozoa in Sheep. Reproduction in Domestic Animals, 42, 648-653.
  • Reyna, J., Thomson, P., Evans, G., Maxwell, W. (2007). Synchrony of Ovulation and Follicular Dynamics in Merino Ewes Treated with GnRH in the Breeding and Non-breeding Seasons. Reproduction in Domestic Animals, 42(2), 410-417.
  • Beilby, K., Marti, J., Leahy, T., Maxwell, W., Evans, G. (2007). The effect of post-thaw addition of seminal plasma proteins on sex-sorted ram sperm. Reproduction in Domestic Animals, 42, 98-98.
  • Leahy, T., Marti, J., Evans, G., Maxwell, W. (2007). The effect of seminal plasma on the functional integrity of sex-sorted ram sperm. Reproduction in Domestic Animals, 42(S2), 98-99.
  • de Graaf, S., Evans, G., Gillan, L., Guerra, M., Maxwell, W., O'Brien, J. (2007). The influence of antioxidant, cholesterol and seminal plasma on the in vitro quality of sorted and non-sorted ram spermatozoa. Theriogenology: an international journal of animal reproduction, 67(2), 217-227.

2006

  • Morton, K., Bathgate, R., Evans, G., Maxwell, W. (2006). A comparison of 3 diluents for the cryopreservation of epididymal alpaca sperm. Australian Alpaca Association Conference, Adelaide: Australian Alpaca Association.
  • Underwood, S., Bathgate, R., Gillan, L., Maxwell, W., Evans, G. (2006). A comparison of staining media for sex-sorting cooled dairy bull spermatozoa. 7th International Ruminant Reproduction Symposium.
  • Underwood, S., Bathgate, R., Gillan, L., Maxwell, W., Evans, G. (2006). A comparison of staining medium for sex- sorting frozen thawed Bull sperm. European Society of Domestic Animal Reproduction, Germany: Blackwell Publishers.
  • Morton, K., Bathgate, R., Evans, G., Maxwell, W. (2006). A Comparison of Three Diluents for the Cryopreservation of Epididymal Alpaca Sperm. European Society of Domestic Animal Reproduction, Germany: Blackwell Publishers.
  • Clulow, J., Evans, G., Maxwell, W., Rodger, J., Cawdell-Smith, A., Sieme, H., Rath, D., Morris, L. (2006). Birth of foals from Artificial Insemination with sex-sorted and non sorted Frozen Stallion Spermatozoa. European Society of Domestic Animal Reproduction, Germany: Blackwell Publishers.
  • Morton, K., Bathgate, R., Evans, G., Maxwell, W. (2006). Cryopreservation of epididymal alpaca sperm in pellets and straws frozen on dry ice or in liquid nitrogen. Australian Alpaca Association Conference, Adelaide: Australian Alpaca Association.
  • Bailey, K., Morton, K., Bathgate, R., Evans, G., Maxwell, W. (2006). Effect of Alpaca age on testes growth and development , sperm production and post-thaw sperm survival: preliminary results. Australian Alpaca Association Conference, Adelaide: Australian Alpaca Association.
  • Underwood, S., Gillan, L., Maxwell, W., Evans, G. (2006). Flow cytometric sorting of frozen-thawed dairy cattle spermatozoa for pre-determination of sex. Dairy Science Symposium 2006, Australia: National Dairy Association.
  • Grossfeld, R., Sieg, B., Struckmann, C., Rath, D., Maxwell, W. (2006). Improvement of Sperm Quality of Flow Cytometrically Sorted and Frozen/Thawed Boar Spermatozoa Employing a New Semen Extender (Sexcess-B@). European Society of Domestic Animal Reproduction, Germany: Blackwell Publishers.
  • Morton, K., Rowe, A., Maxwell, W., Evans, G. (2006). In vitro and in vivo survival of bisected sheep embryos derived from frozen-thawed unsorted, and frozen-thawed sex-sorted and refrozen-thawed ram spermatozoa. Theriogenology: an international journal of animal reproduction, 65, 1333-1345. [More Information]
  • de Graaf, S., Evans, G., Maxwell, W., O'Brien, J. (2006). In vitro characteristics of fresh and frozen-thawed ram spermatozoa after sex sorting and re-freezing. Reproduction, Fertility and Development, 18(8), 867-874.
  • de Graaf, S., Evans, G., Maxwell, W., O'Brien, J. (2006). In vitro differences between sex-sorted ram sperm originating from fresh or frozen-thawed samples. 39th Annual Conference of Physiology and Pathology of Reproduction and 31st Mutual Conference on Veterinary and Human Reproductive Medicine, u/k: Blackwell Synergy.
  • Clulow, J., Evans, G., Morris, L., Maxwell, W. (2006). In vitro function of sex-sorted and non-sorted fresh and frozen stallion spermatozoa. Animal Reproduction Science, 94(1-4), 170-173. [More Information]
  • de Graaf, S., Evans, G., Maxwell, W., O'Brien, J. (2006). Invitro differences between sex sorted Ram sperm Originating from Fresh or Frozen/Thawed samples. European Society of Domestic Animal Reproduction, Germany: Blackwell Publishers.
  • de Graaf, S., Leahy, T., Gillan, L., Evans, G., Maxwell, W., O'Brien, J. (2006). Kinematics of sex-sorted ram spermatozoa in response to seminal plasma. 7th International Symposium on Reproduction in Domestic Ruminants, Nottingham, UK: Nottingham University Press.
  • Leahy, T., Morton, K., Maxwell, W., Evans, G. (2006). Peculiarities and problems in alpaca reproduction. 5th Annual Postgraduate Research Conference, Australia: 5th Annual Postgraduate Research Conference.
  • Morton, K., Ruckholdt, M., Evans, G., Maxwell, W. (2006). Preliminary development of sperm sexing technology in Alpacas (Lama pacos). 1st Conference of the International Society of Camilids research and Development, UAE: Unversity of UAE.
  • Bathgate, R., Maxwell, W., Evans, G. (2006). Studies on the Effect of Supplementing Boar Semen Cryopreservation Media with Different Avian Egg Yolk Types on in Vitro Post-thaw Sperm Quality. Reproduction in Domestic Animals, 41, 68-73.
  • Morton, K., Maxwell, W. (2006). The continued development of AI technology in alpacas. Proceedings of the Australian Alpaca Association Conference, Australia: Proceedings of the Australian Alpaca Association Conference.
  • El-Hajj Ghaoui, R., Thomson, P., Evans, G., Maxwell, W. (2006). The Origin of Membrane Vesicles in Ram Seminal Plasma. Reproduction in Domestic Animals, 41, 98-105.

2005

  • Morton, K., Catt, S., Maxwell, W., Evans, G. (2005). An efficient method of ovarian stimulation and invitro embryo production from prepubatal lambs. Reproduction, Fertility and Development, 17, 701-706.
  • Reyna, J., Morton, K., Evans, G., Maxwell, W. (2005). Collection and evaluation of alpaca sperm. 4th Annual Postgraduate Research Conference, Australia: 4th Annual Postgraduate Research Conference.
  • Bathgate, R., Eriksson, B., Maxwell, W., Evans, G. (2005). Effect of pre-freeze addition of platelet-activating factor and platelet-activating factor:acetylhydrolase on the post thaw integrity of frozen-thawed boar sperm. International Embryo Transfer Society Reproduction, Collingwood, Vic.: CSIRO.
  • Morton, K., Catt, S., Maxwell, W., Evans, G. (2005). Effects of lamb age, hormone stimulation and response to hormone stimulation on the yield and in vitro developmental competance of prpubatal lamb oocytes. Reproduction, Fertility and Development, 17, 593-601.
  • Gillan, L., Evans, G., Maxwell, W. (2005). Flow cytometric evaluation of sperm parameters in relation to fertility potential. Theriogenology: an international journal of animal reproduction, 63, 445-457.
  • O'Brien, J., Stojanov, T., Crichton, E., Evans, K., Leigh, D., Maxwell, W., Evans, G., Loskutoff, N. (2005). Flow Cytometric Sorting of Fresh and Frozen-Thawed Spermatozoa in the Western Lowland Gorilla (Gorilla gorilla gorilla). American Journal of Primatology, 66, 297-315. [More Information]
  • O'Brien, J., Stojanov, T., Heffernan, S., Hollinshead, F., Vogelnest, L., Maxwell, W., Evans, G. (2005). Flow cytometric sorting of non-human primate sperm nuclei. Theriogenology: an international journal of animal reproduction, 63, 246-259.
  • Buss, H., Clulow, J., Sieme, H., Maxwell, W., Morris, L., Sieg, B., Struckmann, C., Rath, D. (2005). Improvement of the freezability of sex-sorted stallion spermatozoa. Animal Reproduction Science, 89(1-4), 315-318.
  • Morton, K., Catt, S., Maxwell, W., Evans, G. (2005). In vitro and in vivo developmental capabilities and kinetics of in vitro development of in vitro matured oocytes from adult, unstimulated and hormone-stimulated prepubertal ewes. Theriogenology: an international journal of animal reproduction, 64, 1320-1332.
  • Buss, H., Clulow, J., Maxwell, W., Sieme, H., Morris, L., Klinc, P., Sieg, B., Struckmann, C., Rath, D. (2005). Longtime storage of sex selected frozen stallion semen. 38th Annual Meeting of Physiology and Pathology of Reproduction, Switzerland: Schweiz Arch Tierheilk.
  • Johnson, L., Rath, D., Vazquez, J., Maxwell, W., Dobrinsky, J. (2005). Preselection of sex of offspring in swine for production: current status of the process and its application. Theriogenology: an international journal of animal reproduction, 63(2), 615-624.
  • Bathgate, R., Morton, K., Eriksson, B., Rath, D., Sieg, B., Chami, O., Stojanov, T., Maxwell, W., Evans, G. (2005). Production of porcine embryos of a predetermined sex after in vitro fertilisation of in vitro matured oocytes with sex-sorted frozen-thawed boar sperm. International Embryo Transfer Society Reproduction, Collingwood, Vic.: CSIRO.
  • Morton, K., de Graaf, S., Campbell, A., Tomkins, L., Maxwell, W., Evans, G. (2005). Repeat Ovum Pick-up and in vitro Embryo Production from Adult Ewes with and without FSH treatment. Reproduction in Domestic Animals, 440, 422-428.
  • Morton, K., Catt, S., Hollinshead, F., Maxwell, W., Evans, G. (2005). The effect of gamete co-incubation time during in vitro fertilisation with frozen-thawed unsorted and sex-sorted ram spermatozoa on the development of in vitro matured adult & prepubertal ewe oocytes. Theriogenology: an international journal of animal reproduction, 64(2), 363-377.

2004

  • Hollinshead, F., O'Brien, J., Maxwell, W., Evans, G. (2004). Assessment Of In Vitro Sperm Characeristics After Flow Cytometric Sorting Of Frozen-Thawed Bull Spermatozoa. Theriogenology: an international journal of animal reproduction, 62(5), 958-969.
  • Hollinshead, F., Evans, G., Evans, K., Catt, S., Maxwell, W., O'Brien, J. (2004). Birth Of Lambs Of A Pre-Determined Sex After In Vitro Production Of Embryos Using Frozen-Thawed Sex-Sorted And Re-Frozen-Thawed Ram Spermatozoa. Reproduction, Fertility and Development, 127(5), 557-568.
  • El-Hajj Ghaoui, R., Thomson, P., Evans, G., Maxwell, W. (2004). Characterization and Localization of Membrane Vesicles in Ejaculate Fractions from the Ram, Boar and Stallion. Reproduction in Domestic Animals, 39(3), 173-180.
  • Eriksson, B., Bathgate, R., Maxwell, W., Evans, G. (2004). Developing techniques for pig AI. Australian Association of Pig Veterinarians, Eight Mile Plains, Qld.: Australian Association of Pig Veterinarians.
  • Mortimer, S., Maxwell, W. (2004). Effect Of Medium On The Kinematics Of Frozen-Thawed Ram Spermatozoa. Reproduction, Fertility and Development, 127(2), 285-291.
  • Morton, K., Maxwell, W., Evans, G. (2004). Effect of PMSG administration on the growth and development of the reproductive tract of prepubertal ram lambs. 15th International Congress on Animal Reproduction ICAR 2004, Netherlands: Elsevier.
  • Buss, H., Clulow, J., Sieme, H., Maxwell, W., Morris, L., Sieg, B., Struckmann, C., Klinc, P., Rath, D. (2004). Einsatz von gesextem Sperma in der Pferdezucht. Lecture session of the German Society for Plant Breeding customer and the Society for animal breeding science, Germany: German Society for breeding.
  • O'Brien, J., Hollinshead, F., Evans, G., Maxwell, W. (2004). In vivo developmental capacity of in vivo produced sexed embryos derived from sex-sorted and re-cryopreserved frozen-thawed ram sperm. Annual Conference of the International Embryo Transfer Society, melbourne: CSIRO Publishing.
  • Maxwell, W., Evans, G., Hollinshead, F., Bathgate, R., de Graaf, S., Eriksson, B., Gillan, L., Morton, K., O'Brien, J. (2004). Integration Of Sperm Sexing Technology Into The Art Toolbox. Animal Reproduction Science, 82-83, 79-95. [More Information]
  • Maxwell, W., Evans, G., Hollinshead, F., Bathgate, R., de Graaf, S., Eriksson, B., Gillan, L., Morton, K., O'Brien, J. (2004). Intergration Of Sperm Sexing Technology Into The Art Toolbox. 15th International Congress on Animal Reproduction ICAR 2004, Netherlands: Elsevier.
  • Morton, K., Catt, S., Hollinshead, F., Maxwell, W., Evans, G. (2004). Lambs born after in vitro embryo production from prepubertal lamb oocytes and frozen-thawed unsorted and sex-sorted spermatozoa. Reproduction, Fertility and Development, 16, 260-260.
  • Hollinshead, F., O'Brien, J., Gillan, L., Meyers, M., Maxwell, W., Evans, G. (2004). Liquid Storage Of Flow Cytometrically Sorted Ram Spermatozoa. Theriogenology: an international journal of animal reproduction, 62, 587-605.
  • Evans, G., Hollinshead, F., Maxwell, W. (2004). Preservation And Artificial Insemination Of Sexed Semen In Sheep. Reproduction, Fertility and Development, 16(4), 455-464.
  • Gillan, L., Maxwell, W., Evans, G. (2004). Preservation And Evaluation Of Semen For Artificial Insemination. Reproduction, Fertility and Development, 16(4), 447-454.
  • Morton, K., Catt, S., Hollinshead, F., Maxwell, W., Evans, G. (2004). Production Of Lambs After The Transfer Of Fresh And Cryopreserved In Vitro Produced Embryos From Prepubertal Lamb Oocytes And Unsorted And Sex-Sorted Frozen-Thawed Spermatozoa. Reproduction in Domestic Animals, 39(6), 454-461.
  • Tomkins, L., Morton, K., Evans, G., Maxwell, W. (2004). Stimulation Of Follicle Development For Ovum Pick-Up In Adult Ewes. International Journal of Sheep and Wool Science (Wool Technology and Sheep Breeding), 52(3), 202-212.
  • Morton, K., Maxwell, W., Evans, G. (2004). The effect of FSH concentration during IVM and gamete co-incubation length during IVF on the development of unstimulated prepubertal ewe oocytes. Reproduction, Fertility and Development, 16(9), 205-205.
  • de Graaf, S., Gillan, L., Evans, G., Maxwell, W., O'Brien, J. (2004). The effect of sheath fluid on the quality of sex-sorted ram spermatozoa. Annual Conference of the International Embryo Transfer Society, melbourne: CSIRO Publishing.

2003

  • Maxwell, W., Hollinshead, F., Rath, D., O'Brien, J., Evans, G. (2003). Effect of dose of sperm processed for sex-sorting, and cryopreservation, on fertility in ewes. Theriogenology: an international journal of animal reproduction, 59, 511-511.
  • Eriksson, B., Bathgate, R., Maxwell, W., Evans, G. (2003). Effect of seminal plasma protein fractions on boar spermatozoa motility and acrosome integrity. 5th International Conference on Boar Semen Preservation. Elservier Science Ltd.
  • O'Brien, J., Hollinshead, F., Evans, K., Evans, G., Maxwell, W. (2003). Flow cytometric sorting of frozen-thawed spermatozoa in sheep and non-human primates. Reproduction, Fertility and Development, 15(7), 367-375.
  • Hollinshead, F., Gillan, L., O'Brien, J., Evans, G., Maxwell, W. (2003). In vitro and in vivo assessment of functional capacity of flow cytometrically sorted ram spermatozoa after freezing and thawing. Reproduction, Fertility and Development, 15(6), 351-359.
  • Morton, K., Catt, S., Maxwell, W., Evans, G. (2003). Initiation of spermatogenesis in prepubertal lambs. 3rd Annual Postgraduate Research Conference, Australia: 3rd Annual Postgraduate Research Conference.
  • Bathgate, R., Eriksson, B., Maxwell, W., Evans, G. (2003). Low dose deep intrauterine insemination of sows with fresh and frozen-thawed spermatozoa. 5th International Conference on Boar Semen Preservation. Elservier Science Ltd.
  • Schembri, M., Major, D., Suttie, J., Maxwell, W., Evans, G. (2003). Modification of standard freezing media to limit capacitation and maximise motility of frozen-thawed equine spermatozoa. Australian Veterinary Journal, 81(12), 748-751.
  • Bathgate, R., Eriksson, B., Maxwell, W., Evans, G. (2003). Potential damage to the uterine lining after non-surgical deep intrauterine insemination of sows. Biennial Conference of the Australasian Pig Science Association. 2003, Werribee, Vic.: Australasian Pig Science Association.
  • O'Brien, J., Stojanov, T., Riches, J., Evans, K., Schenk, J., Evans, G., Maxwell, W., Loskutoff, N. (2003). Sex ratio modification using sperm sorting and assisted reproductive technology - a population management strategy. Second International Symposium on Assisted Reproductive Technology (ART), Omaha, NE, USA: Henry Doorly Zoo.
  • Hollinshead, F., Evans, G., Maxwell, W., O'Brien, J. (2003). Sex sorting and re-cryopreservation of frozen-thawed ram sperm for in vitro embryo production. Theriogenology: an international journal of animal reproduction, 59(209), 209.
  • Morris, L., Hollinshead, F., Evans, G., Maxwell, W. (2003). The longevity and acrosome status of flow sorted stallion spermatozoa. Theriogenology: an international journal of animal reproduction, 59.

2002

  • Bathgate, R., Eriksson, B., Maxwell, W., Evans, G. (2002). Addition of seminal plasma to boar sperm before and after cryopreservation. Australian Society for Reproductive Biology. Meeting, 2002, Perth: Australian Society for Reproductive Biology.
  • Schembri, M., Major, D., Suttie, J., Maxwell, W., Evans, G. (2002). Capacitation - like changes in equine spermatozoa thoughout the cryopreservation process. Reproduction, Fertility and Development, 14, 225-233.
  • Bathgate, R., Eriksson, B., Maxwell, W., Evans, G. (2002). Effect of seminal plasma on frozen-thawed boar semen. Australian Society for Reproductive Biology. Meeting, 2002, Perth: Australian Society for Reproductive Biology.
  • Hollinshead, F., Rath, D., O'Brien, J., Maxwell, W., Evans, G. (2002). Effect of time of insemination and dose of sorted cryopreserved ram sperm on fertility in ewes. Australian Society for Reproductive Biology. Meeting, 2002, Perth: Australian Society for Reproductive Biology.
  • Hollinshead, F., Maxwell, W., Evans, G., O'Brien, J. (2002). Flow cytometric sorting of frozen-thawed ram spermatozoa. Australian Society for Reproductive Biology. Meeting, 2002, Perth: Australian Society for Reproductive Biology.
  • Morton, K., Catt, S., Maxwell, W., Evans, G. (2002). In vitro production of embryos from prepubertal lambs and frozen-thawed sex-sorted spermatozoa. 2nd Annual Postgraduate Research Conference, Australia: 2nd Annual Postgraduate Research Conference.
  • Hollinshead, F., O'Brien, J., Maxwell, W., Evans, G. (2002). Production of lambs of predetermined sex after the insemination of ewes with low numbers of frozen-thawed sorted X - or - Y chromosone bearing spermatozoa. Reproduction, Fertility and Development, 14(8), 503-508.

2001

  • Bathgate, R., Eriksson, B., Maxwell, W., Evans, G. (2001). Comparison of boar semen freezing methods. Biennial Conference of the Australasian Pig Science Association, 2001, Werribee, Vic.: Australasian Pig Science Association.
  • Wadley, R., O'Brien, J., Hollinshead, F., Evans, K., Evans, G., Maxwell, W. (2001). Flow cytometric sorting of spermatozoa - sex pre-determination for livestock and wildlife species. Annual Meeting of the Australasian Flow Cytometry Group. Aust. Flow Cytometry Group.
  • Hollinshead, F., O'Brien, J., He, L., Maxwell, W., Evans, G. (2001). Pregnancies after insemination of ewes with sorted, cryopreserved ram spermatozoa. Society for Reproductive Biology Annual Scientific Conference 2001, u/k: Australian Society for Reproductive Biology.
  • O'Brien, J., He, L., Stojanov, T., Birrell, A., Maxwell, W., Evans, G. (2001). Preliminary developments of sperm sorting technology in non-human primates. 34th Annual Meeting, Society for the Study of Reproduction, Kansas USA: Allen Press Inc.

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