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.

Key publications

  1. Benchaar C., F. Hassanat, K. A. Beauchemin, H. Lapierre, D. R. Ouellet, and C. Côrtes. 2021. Effect of dietary metabolizable protein level on digestion and ruminal fermentation of Holstein and Ayrshire dairy cows. J. Dairy Sci. Vol. 104, Suppl. 1, 303.

    2021 - View publication details

  2. Hassanat, F., C. Benchaar., K. A. Beauchemin, H. Lapierre, D. R. Ouellet, and C. Côrtes. 2021. Effect of dietary metabolizable protein level on enteric methane production and milk production of Holstein and Ayrshire dairy cows. J. Dairy Sci. Vol. 104, Suppl. 1, 308 (Abstr.).

    2021 - View publication details

  3. Amino acid digestibility of canola meal estimated with pulse-dose in dairy cows or in roosters.

    2019 - View publication details

  4. Martineau, R., Ouellet, D.R., Lapierre, H. (2019). Does blending canola meal with other protein sources improve production responses in lactating dairy cows? A multilevel mixed-effects meta-analysis. Journal of Dairy Science (JDS), [online] 102(6), 5066-5078. http://dx.doi.org/10.3168/jds.2018-15925

    2019 - View publication details

  5. Inclure du tourteau de canola dans les rations des vaches laitières: pourquoi pas? Ouellet, D.R., R. Martineau, D. Pellerin et H. Lapierre. 6 pages. Journée d'information scientifique sur les bovins laitiers et les plantes fourragères. CRAAQ, 26 février 2019.

    2019 - View publication details

  6. Martineau, R., Ouellet, D.R., Patton, R.A., White, R.R., Lapierre, H. (2019). Plasma essential amino acid concentrations in response to casein infusion or ration change in dairy cows: A multilevel, mixed-effects meta-analysis. Journal of Dairy Science (JDS), [online] 102(2), 1312-1329. http://dx.doi.org/10.3168/jds.2018-15218

    2019 - View publication details

  7. Lapierre, H., Binggeli, S., Sok, M., Pellerin, D., Ouellet, D.R. (2019). Estimation of correction factors to determine the true amino acid concentration of protein after a 24-hour hydrolysis. Journal of Dairy Science (JDS), [online] 102(2), 1205-1212. http://dx.doi.org/10.3168/jds.2018-15392

    2019 - View publication details

  8. Lapierre, H., R. Martineau, S. Binggeli, D. Pellerin, and D.R. Ouellet. 2017. Is it needed to balance a dairy ration for metabolizable protein if it is balanced for essential amino acids and RDP? Pages 13-31 In: Proceedings of the Dairy Cattle Nutrition Workshop. PennState Extension Dairy Team. Grantville, PA, USA.

    2017 - View publication details

  9. Prates, L.L., Valadares, R.F.D., Filho, S.C.V., Detmann, E., Ouellet, D.R., Batista, E.D., Zanetti, D., Pacheco, M.V.C., Silva, B.C. (2017). Investigating the effects of sex of growing Nellore cattle and crude protein intake on the utilization of recycled N for microbial protein synthesis in the rumen by using intravenous 15N15N-urea infusion. Animal Feed Science and Technology, [online] 231 119-130. http://dx.doi.org/10.1016/j.anifeedsci.2017.06.014

    2017 - View publication details

  10. Journal of Dairy Science Vol. 100 Suppl. 2 Abstract #: T229, page 312.

    2017 - View publication details

  11. Rouissi, A., H. Lapierre, D. Pellerin, et D. R. Ouellet. 2017. Évaluation du profil en acides aminés et mesure de la digestibilité de l’azote du tourteau de canola chez des vaches laitières. Résumé #17. Journée d’information scientifique – Bovins laitiers et Plantes fourragères. Drummondville.

    2017 - View publication details

  12. Ouellet, D.R., Chiquette, J. (2016). Effect of dietary metabolizable protein level and live yeasts on ruminal fermentation and nitrogen utilization in lactating dairy cows on a high red clover silage diet. Animal Feed Science and Technology, [online] 220 73-82. http://dx.doi.org/10.1016/j.anifeedsci.2016.07.006

    2016 - View publication details

  13. Martineau, R., Ouellet, D.R., Kebreab, E., Lapierre, H. (2016). Casein infusion rate influences feed intake differently depending on metabolizable protein balance in dairy cows: A multilevel meta-analysis. Journal of Dairy Science (JDS), [online] 99(4), 2748-2761. http://dx.doi.org/10.3168/jds.2015-10427

    2016 - View publication details

  14. Lapierre, H. and Ouellet, D.R. (2015). "How the efficiency of utilization of histidine varies with supply in dairy cows?", Journal of Dairy Science (JDS), 98(Suppl. 2), pp. 609. (Abstract)

    2015 - View publication details

  15. Lapierre, H., Ouellet, D.R., and Martineau, R. (2015). "Challenges to determine the true net supply of amino acids.", 29th ADSA Discover Conference on Amino Acid Requirements, Chicago, USA, May 26-29, 2015.

    2015 - View publication details

  16. Ouellet, D.R., Maxin, M., and Lapierre, H. (2015). "Urea kinetics in dairy cows fed soybean meal (SBM), canola meal (CM), corn high protein dried distillers grains (HPDDG) or wheat dried distillers grains with solubles (WDDGS).", Journal of Dairy Science (JDS), 98(Suppl. 2), pp. 462. (Abstract)

    2015 - View publication details

  17. Ouellet, D.R. and Lapierre, H. (2015). "Endogenous Nitrogen Secretion in Dairy Cows: Transaction along the digestive tract and implication in amino acid requirements.", 29th ADSA Discover Conference on Amino Acid Requirements, Chicago, USA, May 26-29, 2015.

    2015 - View publication details

  18. 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

  19. 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

  20. 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

Research facility

2000 College Street
Sherbrooke, QC J1M 1Z3
Canada

Language

English
French