Book chapters

  • de Graaf, S. (2010). Reproduction. In D.J. Cottle (Eds.), International Sheep and Wool Handbook, (pp. 189-222). Nottingham: Nottingham University Press.

Journal articles

2016

  • Gibb, Z., Grupen, C., Maxwell, W., Morris, L. (2016). Field fertility of liquid stored and cryopreserved flow cytometrically sex-sorted stallion sperm. Equine Veterinary Journal, , 1-7.
  • Leahy, T., de Graaf, S. (2016). The ART of milk production. Australasian Science, 37 (1) 32-34.
  • Leahy, T., Rickard, J., Aitken, J., de Graaf, S. (2016). Penicillamine prevents ram sperm agglutination in media that support capacitation. Reproduction, 151(2), 167-177.
  • Leahy, T., Rickard, J., Aitken, J., de Graaf, S. (2016). D-penicillamine prevents ram sperm agglutination by reducing the disulphide bonds of a copper-binding sperm protein. Reproduction, 151(5), 491-500.
  • Maddison, J., Rickard, J., Mooney, E., Bernecic, N., Soleilhavoup, C., Tsikis, G., Druart, X., Leahy, T., de Graaf, S. (2016). Oestrus synchronisation and superovulation alter the production and biochemical constituents of ovine cervicovaginal mucus. Animal Reproduction Science, 172, 114-122.
  • McGregor, B., de Graaf, S., Hatcher, S. (2016). On-farm factors affecting physical quality of Merino wool. 1. Nutrition, reproduction, health and management. Small Ruminant Research, 137, 138-150.
  • Pini, T., Leahy, T., Soleilhavoup, C., Tsikis, G., Labas, V., Combes-Soia, L., Harichaux, G., Rickard, J., Druart, X., de Graaf, S. (2016). A proteomic investigation of ram spermatozoa and the proteins conferred by seminal plasma. Journal of Proteome Research, 15, 3700-3711.
  • Rickard, J., Schmidt, R., Maddison, J., Bathgate, R., Lynch, G., Druart, X., de Graaf, S. (2016). Variation in seminal plasma alters the ability of ram spermatozoa to survive cryopreservation. Reproduction, Fertility and Development, 28(4), 516-523.
  • Soleilhavoup, C., Riou, C., Tsikis, G., Labas, V., Harichaux, G., Kohnke, P., Reynaud, K., de Graaf, S., Gerard, N., Druart, X. (2016). Proteomes of the Female Genital Tract During the Oestrous Cycle. Molecular and Cellular Proteomics, 15(1), 93-108.

2015

  • Aitken, J., Naumovski, N., Curry, B., Grupen, C., Gibb, Z., Aitken, J. (2015). Characterization of an L-Amino Acid Oxidase in Equine Spermatozoa. Biology Of Reproduction, 92(5), 1-13.
  • Bartolac, L., Lowe, J., Koustas, G., Sjoblom, C., Grupen, C. (2015). A comparison of different vitrification devices and the effect of blastocoele collapse on the cryosurvival of in vitro produced porcine embryos. Journal of Reproduction and Development, 61(6), 525-531
  • Gerard, N., Fahiminiya, S., Grupen, C., Nadal-Desbarats, L. (2015). Reproductive Physiology and Ovarian Folliculogenesis Examined via 1 H-NMR Metabolomics Signatures: A Comparative Study of Large and Small Follicles in Three Mammalian Species (Bos taurus, Sus scrofa domesticus and Equus ferus caballus. OMICS A Journal of Intergrated Biology, 19(1), 31-40.
  • Johinke, D., de Graaf, S.P., Bathgate, R. (2015). The Effect of Sperm Concentration and Storage Vessel on Quercetin-Supplemented Rabbit Semen During Chilled Storage. Reproduction in Domestic Animals, 50, 567-573.
  • Leahy, T., Gadella, B. (2015). New insights into the regulation of cholesterol efflux from the sperm membrane. Asian Journal of Andrology, 17, 561-567.
  • Mata-Campuzano, M., Soleilhavoup, C., Tsikis, G., Martinez-Pastor, F., de Graaf, S.P., Druart, X. (2015). Motility of liquid stored ram spermatozoa is altered by dilution rate independent of seminal plasma concentration. Animal Reproduction Science, 162, 31-36.
  • Rickard, J., Leahy, T., Soleilhavoup, C., Tsikis, G., Labas, V., Harichaux, G., Lynch, G., Druart, X., de Graaf, S.P. (2015). The identification of proteomic markers of sperm freezing resilience in ram seminal plasma. Journal of Proteomics, 126, 303-311.
  • Stuart, C., Vaughan, J., Kershaw-Young, C., Wilkinson, J., Bathgate, R., de Graaf, S.P. (2015). Effects of varying doses of b-nerve growth factor on the timing of ovulation, plasma progesterone concentration and corpus luteum size in female alpacas (Vicugna pacos). Reproduction, Fertility and Development, 27(8), 1181-1186.

2014

  • de Graaf, S.P., Leahy, T., Vishwanath, R. (2014). Biological and practical lessons associated with the use of sexed semen. Reproduction in Domestic Ruminants VIII, 507-522. Ninth International Symposium on Reproduction in Domestic Ruminants. Leicestershire: Context Publishing.
  • de Graaf, S.P., Rickard, J., Pini, T., Maddison, J., Druart, X., Leahy, T. (2014). Emerging Roles of Seminal Plasma in Sperm Function. 9th Biennial Conference of the Association for Applied Animal Andrology, Australia: Association for Applied Animal Andrology. pp. 93-102
  • Grupen, C. (2014). The evolution of porcine embryo invitro production. Theriogenology, 81(1), 24-37.
  • Johinke, D., de Graaf, S.P., Bathgate, R. (2014). Investigation of in vitro parameters and in vivo fertility of rabbit spermatozoa after chilled storage. Animal Reproduction Science, 147(3-4), 135-143.
  • Johinke, D., de Graaf, S.P., Bathgate, R. (2014). Quercetin reduces the in vitro production of H2O2 during chilled storage of rabbit spermatozoa. Animal Reproduction Science, 151, 208-219.
  • Soleilhavoup, C., Tsikis, G., Labas, V., Harichaux, G., Kohnke, P., Dacheux, J., Guerin, Y., Gatti, J., de Graaf, S.P., Druart, X. (2014). Ram seminal plasma proteome and its impact on liquid preservation of spermatozoa. Journal of Proteomics, 109(23), 245-260.
  • Rickard, J., Pini, T., Soleilhavoup, C., Cognie, J., Bathgate, R., Lynch, G., Evans, G., Maxwell, W.M.C., Druart, X., de Graaf, S.P. (2014). Seminal plasma aids the survival and cervical transit of epididymal ram spermatozoa. Reproduction, 148, 469-478.

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, 893-898.
  • Bertoldo, M., Nadal-Desbarats, L., Gerard, N., Dubois, A., Harvey (Holyoake), P., Grupen, C. (2013). Differences in the metabolomic signatures of porcine follicular fluid collection from environments associated with good and poor oocyte quality. Reproduction, 146(3), 221-231.
  • Druart, X., Rickard, J., Mactier (nee Gez), S., Kohnke, P., Kershaw-Young, C., Bathgate, R., Gibb, Z., Crossett, B., Tsikis, G., Labas, V., Grupen, C., de Graaf, S.P. (2013). Proteomic characterisation and cross species comparison of mammalian seminal plasma. Journal of Proteomics, 91, 13-22.
  • Garratt, M., Bathgate, R., de Graaf, S., Brooks, R. (2013). Copper-zinc superoxide dismutase deficiency impairs sperm motility and in vivo fertility. Reproduction, 146, 297-304.
  • Gibb, Z., Morris, L., Maxwell, W., Grupen, C. (2013). Dimethyl formamide improves the postthaw characteristics of sex-sorted and nonsorted stallion sperm. Theriogenology, 79, 1027-1033.
  • 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, 79, 1001-1009.
  • 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.
  • Rath, D., Barcikowski, S., de Graaf, S., Garrels, W., Grossfeld, R., Klein, S., Knabe, W., Knorr, C., Kues, W., Meyer, W., et al (2013). Sex selection of sperm in farm animals: status report and developmental prospects. Reproduction, 145, R15-R30.

2012

  • Bertoldo, M., Holyoake, P., Evans, G., Grupen, C. (2012). Seasonal variation in the ovarian function of sows. Reproduction, Fertility and Development, 24(6), 822-834.
  • 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.
  • 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.
  • Leahy, T., de Graaf, S. (2012). Seminal Plasma and its Effect on Ruminant Spermatozoa During Processing. Reproduction in Domestic Animals, 47(Suppl. 4), 207-213.
  • Portas, T., Evans, G., de Graaf, S. (2012). The seminiferous cycle of the rhinoceros. Animal Reproduction Science, 136(1-2), 128-132.

2011

  • Bathgate, R. (2011). Antioxidant Mechanisms and their Benefit on Post-thaw Boar Sperm Quality. Reproduction in Domestic Animals, 46(Suppl 2), 23-25.
  • 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, 76(3), 471-481.
  • Bertoldo, M., Holyoake, P., Evans, G., Grupen, C. (2011). Seasonal effects on oocyte developmental competence in sows experiencing pregnancy loss. Animal Reproduction Science, 124(1-2), 104-111.
  • Gibb, Z., Morris, L., Maxwell, W., Grupen, C. (2011). Use of defined diluent increases the sex-sorting efficiency of stallion sperm. Theriogenology, 75(4), 610-619.
  • Kershaw-Young, C., Maxwell, W. (2011). The effect of Seminal Plasma on Alpaca Sperm Function. Theriogenology, 76(7), 1197-1206.

2010

  • Beilby, K., de Graaf, S., Grupen, C. (2010). The Effect of Sperm and Cryoprotectant concentration on the Freezing Success of Sex Sorted ram Sperm for In-Vitro Fertilization. Theriogenology, 74(5), 786-794.
  • Bertoldo, M., Holyoake, P., Evans, G., Grupen, C. (2010). Follicular Progesterone Levels Decrease During the Period of Seasonal Infertility in Sows. Reproduction in Domestic Animals, , 1-6.
  • Bertoldo, M., Holyoake, P., Evans, G., Grupen, C. (2010). Oocyte developmental competence is reduced in sows during the seasonal infertility period. Reproduction, Fertility and Development, 22, 1222-1229.
  • Grupen, C., Armstrong, D. (2010). Relationship between cumulus cell apoptosis, progesterone production and porcine oocyte developmental competence: temporal effects of follicular fliud during IVM. Reproduction, Fertility and Development, 22(doi:10.1071/RD09307), 1100-1109.
  • 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.
  • 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.
  • 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, 73, 97-102.

2009

  • Bagg, M., Nottle, M., Armstrong, D., Grupen, C. (2009). Effect of follicle size and dibutyryl cAMP on the cAMP content and gap junctional communication of porcine prepubertal cumulusoocyte complexes during IVM. Reproduction, Fertility and Development, 21, 796-804.
  • 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, 72(3), 353-364.
  • 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.
  • 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, 71(5), 829-835.
  • Bertoldo, M., Grupen, C., Thomson, P., Evans, G., Harvey (Holyoake), P. (2009). Identification of sow-specific risk factors for late pregnancy loss during the seasonal infertility period in pigs. Theriogenology, 72(3), 393-400.
  • de Graaf, S., Beilby, K., Underwood, S., Evans, G., Maxwell, W. (2009). Sperm sexing in sheep and cattle: The exception and the rule. Theriogenology, 71(1), 89-97.
  • 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.
  • 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.
  • 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, 72(7), 1001-1008.

2008

  • 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.
  • 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.
  • Bathgate, R. (2008). Functional integrity of sex-sorted, frozen-thawed boar sperm and its potential for artificial insemination. Theriogenology, 70, 1234-1241.
  • de Graaf, S., Leahy, T., Marti, J., Evans, G., Maxwell, W. (2008). Application of Seminal Plasma in Sex-Sorting and Sperm Cryopreservation. Theriogenology, 70, 1360-1363.

2007

  • Bagg, M., Nottle, M., Armstrong, D., Grupen, C. (2007). Relationship between follicle size and oocyte developmental competence in prepubertal and adult pigs. Reproduction, Fertility and Development, 19(7), 797-803.
  • 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, 67(4), 886-892.
  • 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.
  • Beebe, L., McIlfatrick, S., Grupen, C., Boquest, A., Harrison, S., Faast, R., Ashman, R., Wengle, J., Hamilton, H., Nottle, M. (2007). A comparison of two in vitro maturation media for use with adult porcine oocytes for adult somatic cell nuclear transfer. Cloning and Stem Cells, 9(4), 564-570.
  • 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, 67(2), 391-398.
  • 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, 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.
  • 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.
  • 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, 67(2), 217-227.
  • Grupen, C., Schulz, S., Armstrong, D. (2007). Distinct effects of follicular fluid on cumulus cell apoptosis and porcine oocyte developmental competence. Reproduction, Fertility and Development, 19(1), 286-287.
  • Grupen, C., Gilchrist, R., Nayudu, P., Barry, M., Schulz, S., Ritter, L., Armstrong, D. (2007). Effects of ovarian stimulation, with and without human chorionic gonadotrophin, on oocyte meiotic and developmental competence in the marmoset monkey (Callithrix jacchus). Theriogenology, 68(6), 861-872.
  • 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.
  • 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.
  • 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.

2006

  • Bagg, M., Nottle, M., Grupen, C., Armstrong, D. (2006). Effect of dibutyryl cAMP on the cAMP content, meiotic progression, and developmental potential of in vitro matured pre-pubertal and adult pig oocytes. Molecular Reproduction and Development, 73(10), 1326-1332.
  • 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.
  • 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.
  • Grupen, C., Fung, M., Armstrong, D. (2006). Effects of milrinone and butyrolactone-I on porcine oocyte meiotic progression and developmental competence. Reproduction, Fertility and Development, 18(3), 309-317.

2005

  • 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.

2004

  • 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.