Alan Fredeen

Adjunct Professor (Retired)


Mailing Address: 
Department of Animal Science and Aquaculture
Faculty of Agriculture
Agricultural Campus
PO Box 550
Truro, NS, B2N 5E3
Research Topics:
  • Environmental impacts of dairy production
  • System effects on the healthfulness of milk
  • Challenges confronting pasture- based milk production
  • In vitro evaluation of factors affecting digestion in the rumen


  • B.Sc.(Univ. of Saskatchewan) Agriculture
  • M.Sc.(Univ. of Guelph- Ruminant Nutrition
  • Ph.D (Univ. of California) Physiological Chemistry

Research interests

  • Ecological ruminant production, dairy systems design and analysis
  • Nutritional impact on milk quality
  • Pasture-based ruminant production in agriculture to mitigate greenhouse gas emission in agriculture and improve sustainability


  • AGRI5620 - Gross-listed graduate course in ruminant disgestion and metabolism (also available at graduate-level students)
  • AGRI1001 - Food Security (web course)
  • ANSC4000 - Topics in dairy production (degree)
  • ANSC2000 - (Ruminant) Animal Agriculture (dairy)
  • ANSC0202 - Topics in dairy production (Technical)

Selected publications

  • Dohoo, I Descoteaux, L., P. Dowling, Fredeen, A.H., Leslie, K., Preston, A., Shewfelt, W. 2000 (submitted) A meta analysis review of the effects of rBST on Animal health and welfare (J. Dairy Sci.).
  • Boyd, N.S., Astatkie, T., Fredeen, A.H. and Martin, R.C. Rotationally stocked beef cattle responses to daily and weekly residence. J. Range Mgt.54:39-43.
  • Fredeen, A.H., Jannasch, R Astatkie, T., Martin, R. 2001(submitted). The productivity of grazing Holstein cows in Atlantic Canada . J. Dairy Sci.
  • Papadopoulos, Y, Fredeen, A.H. 2001 (accepted) Quality of Orchardgrass pasture . Can. J. Anim. Sci.
  • Small, J.A., Charmley, E., Rodd, A.V. and Fredeen, A.H. 1997. Serum mineral concentrations in relation to estrus and conception in beef heifers and cows fed conserved forage. Can. J. Anim. Sci. 77: xxx-xxx.
  • Cant, J., Fredeen, A. H., MacIntyre, T., Gunn, J. and Crowe, N. 1997. Effects of fish oil and Monensin on milk composition. Can. J. Anim. Sci.
  • Fredeen, A. H. 1996. Considerations in the nutritional modification of milk composition. J. Feed Sci. and Tech. 59:185-197.
  • Robinson, P., Fredeen, A.H., Chalupa, W., Julien, W.E., Sato, H. and Suzuki, H. 1995. Rumen protected lysine and methionine for lactating dairy cows fed a diet designed to meet microbial and post-ruminal protein requirements. J. Dairy Sci. 78:582-594