Daniel Ouellet, Ph.D.

Research scientist

Our team is working on the protein metabolism of dairy cows including urea and endogenous secretions to accurately estimate nitrogen recycling and animal needs to reduce nitrogen loss to the environment increase the profitability of dairy farms.

Agriculture and Agri-Food Canada
Research and Development Centre, Sherbrooke

Key publications

  1. Artegoitia, V.M., de Veth, M.J., Harte, F., Ouellet, D.R., Girard, C.L. (2015). Short communication: Casein hydrolysate and whey proteins as excipients for cyanocobalamin to increase intestinal absorption in the lactating dairy cow. Journal of Dairy Science (JDS), [online] 98(11), 8128-8132. http://dx.doi.org/10.3168/jds.2015-9678

    2015 - View publication details

  2. Larsen, M., Galindo, C., Ouellet, D.R., Maxin, G., Kristensen, N.B., Lapierre, H. (2015). Abomasal amino acid infusion in postpartum dairy cows: Effect on whole-body, splanchnic, and mammary amino acid metabolism. Journal of Dairy Science (JDS), [online] 98(11), 7944-7961. http://dx.doi.org/10.3168/jds.2015-9439

    2015 - View publication details

  3. Galindo, C., Larsen, M., Ouellet, D.R., Maxin, G., Pellerin, D., Lapierre, H. (2015). Abomasal amino acid infusion in postpartum dairy cows: Effect on whole-body, splanchnic, and mammary glucose metabolism. Journal of Dairy Science (JDS), [online] 98(11), 7962-7974. http://dx.doi.org/10.3168/jds.2014-9013

    2015 - View publication details

  4. Lapierre, H., Doepel, L., Pacheco, D., and Ouellet, D.R. (2014). "Amino acid requirement and post-absorptive metabolism in cattle: implications for ration formulation.", Florida Ruminant Nutrition Symposium, University of Florida, Florida, USA, pp. 167-168.

    2014 - View publication details

  5. Lapierre, H., Ouellet, D.R., Fournier, A., and Pellerin, D. (2014). "Comment maximiser l’utilsation de l’azote des vaches laitières: répercussions environnementales et monétaires.", 38e Symposium sur les bovins laitiers. CRAAQ, Québec, QC, Canada, pp. 35-53.

    2014 - View publication details

  6. Lapierre, H., Ouellet, D.R., and Lobley, G.E. (2014). "Estimation of histidine requirement in lactating dairy cows.", Journal of Dairy Science (JDS), 97(E-Suppl.1), pp. 757. (Abstract)

    2014 - View publication details

  7. Ouellet, D.R., Lobley, G.E., and Lapierre, H. (2014). "Histidine requirement of dairy cows determined by the indicator amino acid oxidation (AAO) technique.", Journal of Dairy Science (JDS), 97(E-Suppl.1), pp. 757. (Abstract)

    2014 - View publication details

  8. Ouellet, D.R. and Lapierre, H. (2014). Endogenous secretions in dairy cows - Advance Report (Period: October 22th, 2013 – July 21th, 2014). (Report)

    2014 - View publication details

  9. Martineau, R., Ouellet, D.R., Lapierre, H. (2014). The effect of feeding canola meal on concentrations of plasma amino acids. Journal of Dairy Science (JDS), [online] 97(3), 1603-1610. http://dx.doi.org/10.3168/jds.2013-7125

    2014 - View publication details

  10. Martineau, R., Côrtes, C., Ortigues-Marty, I., Ouellet, D.R., Lapierre, H. (2014). Evaluation of equations predicting the net portal appearance of amino acid nitrogen in ruminants. Journal of Dairy Science (JDS), [online] 97(3), 1670-1681. http://dx.doi.org/10.3168/jds.2013-7249

    2014 - View publication details

  11. Galindo, C.E., Larsen, M., Ouellet, D.R., Maxin, G., Pellerin, D., and Lapierre, H. (2013). "Effect of amino acid supply on whole body and tissue glucose kinetics in postpartum dairy cows.", in Oltjen, J.W., Kebreab, E. and Lapierre, H. (eds.) - Energy and protein metabolism and nutrition in sustainable animal production. EAAP publication No. 134., Wageningen Academic Publishers, The Netherlands, pp. 451-452.

    2013 - View publication details

  12. Larsen, M., Galindo, C.E., Ouellet, D.R., Maxin, G., Kristensen, N.B., and Lapierre, H. (2013). "Effect of abomasal amino acid infusion on splanchnic metabolism in postpartum transition dairy cows.", in Oltjen, J.W., Kebreab, E. and Lapierre, H. (eds.) - Energy and protein metabolism and nutrition in sustainable animal production. EAAP publication No. 134., Wageningen Academic Publishers, The Netherlands, pp. 409-410.

    2013 - View publication details

  13. Ouellet, D.R., Valkeners, D., and Lapierre, H. (2013). "Effects of metabolizable protein supply on N efficiency; plasma amino acid concentrations in dairy cows.", in Oltjen, J.W., Kebreab, E. and Lapierre, H. (eds.) - Energy and protein metabolism and nutrition in sustainable animal production. EAAP publication No. 134., Wageningen Academic Publishers, The Netherlands, pp. 453-454.

    2013 - View publication details

  14. Artegoitia, V.M., de Veth, M.J., Harte, F., Ouellet, D.R., and Girard, C.L. (2013). "Casein and whey protein as delivery methods for synthetic vitamin B12 to increase intestinal absorption in lactating dairy cows.", Journal of Dairy Science (JDS), 96(E-Suppl. 1), pp. 505.

    2013 - View publication details

  15. Lapierre, H., Lemosquet, S., and Ouellet, D.R. (2013). "Contribution of essential amino acids to glucose metabolism and lactose secretion in late lactation dairy cows.", in Oltjen, J.W., Kebreab, E. and Lapierre, H. (eds.) - Energy and protein metabolism and nutrition in sustainable animal production. EAAP publication No. 134., Wageningen Academic Publishers, The Netherlands, pp. 447-448.

    2013 - View publication details

  16. Maxin, G., Ouellet, D.R., and Lapierre, H. (2013). "Contribution of amino acids to glucose and lactose synthesis in lactating dairy cows.", in Oltjen, J.W., Kebreab, E. and Lapierre, H. (eds.) - Energy and protein metabolism and nutrition in sustainable animal production. EAAP publication No. 134., Wageningen Academic Publishers, The Netherlands, pp. 443-445.

    2013 - View publication details

  17. Lapierre, H., Doepel, L., Pacheco, D., and Ouellet, D.R. (2013). "Update on protein and amino acid requirements for lactating dairy cows.", Eastern Nutrition Conference, Animal Nutrition Association of Canada, Québec, Canada, pp. 225-236.

    2013 - View publication details

  18. Ouellet, D.R., Tremblay, G.F., and Mustafa, A.F. (2013). "Evaluation of DM, NDF, and starch ruminal degradabilities of corn hybrids : A three-year study.", Advances in Dairy Technology (Western Canadian Dairy Seminar Proceedings), 25, pp. 387. (Abstract)

    2013 - View publication details

  19. Maxin, G., Ouellet, D.R., Lapierre, H. (2013). Effect of substitution of soybean meal by canola meal or distillers grains in dairy rations on amino acid and glucose availability. Journal of Dairy Science (JDS), [online] 96(12), 7806-7817. http://dx.doi.org/10.3168/jds.2013-6976

    2013 - View publication details

  20. Maxin, G., Ouellet, D.R., Lapierre, H. (2013). Ruminal degradability of dry matter, crude protein, and amino acids in soybean meal, canola meal, corn, and wheat dried distillers grains. Journal of Dairy Science (JDS), [online] 96(8), 5151-5160. http://dx.doi.org/10.3168/jds.2012-6392

    2013 - View publication details

Contact

Research facility

Sherbrooke Research and Development Centre
2000 College Street
Sherbrooke, QC J1M 1Z3
Canada

Expertise

Agriculture›Animal metabolism›Protein metabolism
Animals›Production
Sciences›Scientific research

Language

English
French