You are here: Home / About the Faculty / Our People / Teaching Staff

Dr Alex Chaves

Dr Alex Chaves


Lecturer and Researcher in Animal Nutrition
Gunn Bld. B19 - room 604
Faculty of Veterinary Science
The University of Sydney
Sydney, NSW 2006 - Australia
Phone +61 2 9036 9312
Fax +61 2 9351 3957
E-mail:

Qualifications

BSc(Eng), MSc (Plant Science), PhD (Animal Science)

Teaching Areas

Undergraduate teaching:

  • Animal nutrition year III AVBS students
  • Beef production year II AVBS and BVSc students
  • Ruminant nutrition year IV BVSc students
  • Feed technology year IV AVBS students

Administration

  • Unit of study coordinator for ANSC3101

Research

  • Ruminant nutrition
  • Sustainable ruminant production systems
  • Environmental friendly farm systems (mitigation of green house gases; management approaches to utilize the existing feed resources more efficiently; etc.)

Contribution to the Profession and the Community

  • National (DPI NSW, University of Queensland, University of New England, CSIRO) and international (Canada, Brazil, Sweden, Norway, and New Zealand) network collaboration for research in animal nutrition
  • Referee in various recognized peer-review journals

Selected Publications

  1. Chaves, A.V.; Schei, I.; Wang, Y.; McAllister, T.A. and Benchaar, C. 2009. Effects of carvacrol and cinnamaldehyde on microbial fermentation when added to a barley- or corn- based diet in a continuous culture system. Canadian Journal of Animal Science: in press.
  2. Chaves, A.V.; Stanford, K.; Gibson, L.L.; McAllister, T.A. and Benchaar, C. 2008. Effects of carvacrol and cinnamaldehyde on intake, rumen fermentation, growth performance, and carcass characteristics of growing lambs. Animal Feed Science and Technology 145: 396–408.
  3. Chaves, A.V.; Stanford, K.; Dugan, M.E.; Gibson, L.L.; McAllister, T.A.; Van Herk, F. and Benchaar, C. 2008. Effect of cinnamaldehyde, garlic and juniperberry oils on performance, blood metabolites, and carcass characteristics of growing lambs. Livestock Science 117: 215–224.
  4. Chaves, A.V.; He, M.L.; Yang, Z.W.; Hristov, A.N.; McAllister, T.A. and Benchaar, C. 2008. Short–effects of essential oils on proteolytic, deaminative and methanogenic activities in mixed cultures of ruminal bacteria. Canadian Journal of Animal Science 88: 117–122.
  5. Ohene–Adjei, S.; Chaves, A.V.; McAllister, T.A.; Benchaar, C.; Teather, R.M. and Forster, R.J. 2008. Evidence of increased diversity of methanogenic archaea with plant extract supplementation. Microbial Ecology 56: 234–242.
  6. Cook, S.; Maiti, P.K.; Chaves, A.V.; Benchaar, C.; Beauchemin, K.A. and McAllister, T.A. 2008. Avian (IgY) anti–methanogen antibodies for reducing ruminal methane production: in vitro assessment of their effects. Australian Journal of Experimental Agriculture 48: 260–264.
  7. Benchaar, C., Calsamiglia, S.; Chaves, A.V.; Fraser, G.R.; Colombatto, D.; McAllister, T.A. and Beauchemin, K.A. 2008. A review of plant–derived essential oils in ruminant nutrition and production. Animal Feed Science and Technology 145: 209–228.
  8. Benchaar, C.; Chaves, A.V.; Fraser, G.R.; Wang, Y.; Beauchemin, K.A. and McAllister, T.A. 2007. Effects of essential oils and their components on in vitro rumen microbial fermentation. Canadian Journal of Animal Science 87: 413–419.
  9. Fraser, G.R.; Chaves, A.V.; Wang, Y.; McAllister, T.A.; Beauchemin, K.A. and Benchaar, C. 2007. Assessment of the effects of cinnamon leaf oil on rumen microbial fermentation using two continuous culture systems. Journal of Dairy Science 90: 2315–2328.
  10. Yang, W.Z.; Benchaar, C.; Ametaj, B.; Chaves, A.V.; He, M.L. and McAllister, T.A. 2007. Effects of garlic and juniper berry essential oils on ruminal fermentation, site and extent of digestion in lactating cows. Journal of Dairy Science 90: 5671–5681.
Back to top