Lapierre, Hélène, agr., Ph. D.
Chercheuse scientifique, métabolisme animal
Coordonnées :
2000, rue Collège
Sherbrooke, (Québec) J1M 0C8
Téléphone : 819-780-7234
Télécopieur : 819-564-5507
Courriel : helene.lapierre@agr.gc.ca
Domaines d'expertise :
- Étude des facteurs qui influencent l'efficacité de l'utilisation des nutriments vers la production du lait et de ses composantes
- Étude du métabolisme des vaches laitière: facteurs affectant le relargage (absorption ou fabrication) ou l’utilisation de nutriments par le système digestif, le foie et la glande mammaire, sur une base nette ou totale (isotopes stables)
- Amélioration de l'utilisation des protéines des rations vers les protéines du lait afin de diminuer les coûts de production du lait (compétitivité du secteur laitier) tout en diminuant les déjections azotées dans l'environnement
Projets en cours :
- Mesures et prédiction des flux nets d'acides aminés au niveau du système digestif, du foie et de la glande mammaire
- Interaction entre les apports de protéines et d’énergie et la régulation de la production de lait
- Effet de l’inclusion de tourteau de canola dans les rations laitières
Affiliations :
- Ordre des agronomes du Québec
- Professeure associée, Université Laval, Département des sciences animales
- Membre de la Société canadienne de science animale
- Membre de la American Dairy Science Association
Publications de recherche
2019
- 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, 102(2), 1205-1212. http://dx.doi.org/10.3168/jds.2018-15392
2016
- 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, 99(4), 2748-2761. http://dx.doi.org/10.3168/jds.2015-10427
2015
- Galindo, C.E., Larsen, M., Ouellet, D.R., Maxin, G., Pellerin, D., et 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), 98(11), p. 7962-7974. doi : 10.3168/jds.2014-9013
- Giallongo, F., Hristov, A.N., Oh, J., Frederick, T., Weeks, H., Werner, J., Lapierre, H., Patton, R.A., Gehman, A., et Parys, C. (2015). « Effects of slow-release urea and rumen-protected methionine and histidine on performance of dairy cows. », Journal of Dairy Science (JDS), 98(5), p. 3292-3308. doi : 10.3168/jds.2014-8791
- Larsen, M., Galindo, C.E., Ouellet, D.R., Maxin, G., Kristensen, N.B., et 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), 98(11), p. 7944-7961. doi : 10.3168/jds.2015-9439
- Lee, C., Giallongo, F., Hristov, A.N., Lapierre, H., Cassidy, T.W., Heyler, K. S., Varga, G. A., et Parys, C. (2015). « Effect of dietary protein level and rumen-protected amino acid supplementation on amino acid utilization for milk protein in lactating dairy cows. », Journal of Dairy Science (JDS), 98(3), p. 1885-1902. doi : 10.3168/jds.2014-8496
- Loncke, C., Nozière, P., Bahloul, L., Vernet, J., Lapierre, H., Sauvant, D., et Ortigues-Marty, I. (2015). « Empirical prediction of net splanchnic release of ketogenic nutrients, acetate, butyrate and β-hydroxybutyrate in ruminants: A meta-analysis. », Animal, 9(3), p. 449-463. doi : 10.1017/S1751731114002638
- Patton, R.A., Hristov, A.N., Parys, C., et Lapierre, H. (2015). « Relationships between circulating plasma concentrations and duodenal flows of essential amino acids in lactating dairy cows. », Journal of Dairy Science (JDS). doi : 10.3168/jds.2014-9000
2014
- Columbus, D.A., Lapierre, H., Htoo, J.K., et de Lange, C.F.M. (2014). « Nonprotein nitrogen is absorbed from the large intestine and increases nitrogen balance in growing pigs fed a valine-limiting diet. », Journal of Nutrition, 144(5), p. 614-620. doi : 10.3945/jn.113.187070
- Larsen, M., Lapierre, H., et Kristensen, N.B. (2014). « Abomasal protein infusion in postpartum transition dairy cows: Effect on performance and mammary metabolism. », Journal of Dairy Science (JDS), 97(9), p. 5608-5622. doi : 10.3168/jds.2013-7247
- Martineau, R., Côrtes, C., Ortigues-Marty, I., Ouellet, D.R., et Lapierre, H. (2014). « Evaluation of equations predicting the net portal appearance of amino acid nitrogen in ruminants. », Journal of Dairy Science (JDS), 97(3), p. 1670-1681. doi : 10.3168/jds.2013-7249
- Martineau, R., Ouellet, D.R., et Lapierre, H. (2014). « The effect of feeding canola meal on concentrations of plasma amino acids. », Journal of Dairy Science (JDS), 97(3), p. 1603-1610. doi : 10.3168/jds.2013-7125
- Patton, R.A., Hristov, A.N., et Lapierre, H. (2014). « Protein Feeding and Balancing for Amino Acids in Lactating Dairy Cattle. », Veterinary Clinics of North America: Food Animal Practice, 30(3), p. 599-621. doi : 10.1016/j.cvfa.2014.07.005
2013
- Bahloul, L., Ortigues-Marty, I., Vernet, J., Lapierre, H., Nozière, P., et Sauvant, D. (2013). « Prediction of net hepatic release of glucose using a « hybirid » mechanistic model in ruminants applied to positive energy balance. », dans Oltjen, J.W., Kebreab, E. and Lapierre, H. (dir.) - Energy and protein metabolism and nutrition in sustainable animal production. EAAP publication No. 134., Wageningen Academic Publishers, The Netherlands, p. 349-350.
- Galindo, C.E., Larsen, M., Ouellet, D.R., Maxin, G., Pellerin, D., et Lapierre, H. (2013). « Effect of amino acid supply on whole body and tissue glucose kinetics in postpartum dairy cows. », dans Oltjen, J.W., Kebreab, E. and Lapierre, H. (dir.) - Energy and protein metabolism and nutrition in sustainable animal production. EAAP publication No. 134., Wageningen Academic Publishers, The Netherlands, p. 451-452.
- Iroshan, I.H., Lapierre, H., et Doepel, L. (2013). « The effect of a limited supply of phenylalanine, threonine, and tryptophan on milk yield and composition. », dans Oltjen, J.W., Kebreab, E. and Lapierre, H. (dir.) - Energy and protein metabolism and nutrition in sustainable animal production. EAAP publication No. 134., Wageningen Academic Publishers, The Netherlands, p. 115-116.
- Lapierre, H., Lemosquet, S., et Ouellet, D.R. (2013). « Contribution of essential amino acids to glucose metabolism and lactose secretion in late lactation dairy cows. », dans Oltjen, J.W., Kebreab, E. and Lapierre, H. (dir.) - Energy and protein metabolism and nutrition in sustainable animal production. EAAP publication No. 134., Wageningen Academic Publishers, The Netherlands, p. 447-448.
- Larsen, M., Galindo, C.E., Ouellet, D.R., Maxin, G., Kristensen, N.B., et Lapierre, H. (2013). « Effect of abomasal amino acid infusion on splanchnic metabolism in postpartum transition dairy cows. », dans Oltjen, J.W., Kebreab, E. and Lapierre, H. (dir.) - Energy and protein metabolism and nutrition in sustainable animal production. EAAP publication No. 134., Wageningen Academic Publishers, The Netherlands, p. 409-410.
- Martineau, R., Ouellet, D.R., et Lapierre, H. (2013). « Feeding canola meal to dairy cows: A meta-analysis on lactational responses. », Journal of Dairy Science (JDS), 96(3), p. 1701-1714. doi : 10.3168/jds.2012-5740
- Maxin, G., Ouellet, D.R., et Lapierre, H. (2013). « Contribution of amino acids to glucose and lactose synthesis in lactating dairy cows. », dans Oltjen, J.W., Kebreab, E. and Lapierre, H. (dir.) - Energy and protein metabolism and nutrition in sustainable animal production. EAAP publication No. 134., Wageningen Academic Publishers, The Netherlands, p. 443-445.
- Maxin, G., Ouellet, D.R., et 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), 96(12), p. 7806-7817. doi : 10.3168/jds.2013-6976
- Maxin, G., Ouellet, D.R., et 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), 96(8), p. 5151-5160. doi : 10.3168/jds.2012-6392
- Ouellet, D.R., Valkeners, D., et Lapierre, H. (2013). « Effects of metabolizable protein supply on N efficiency; plasma amino acid concentrations in dairy cows. », dans Oltjen, J.W., Kebreab, E. and Lapierre, H. (dir.) - Energy and protein metabolism and nutrition in sustainable animal production. EAAP publication No. 134., Wageningen Academic Publishers, The Netherlands, p. 453-454.
2012
- Columbus, D., Lapierre, H., Fuller, K.D., Fuller, M.F., Htoo, J.K., et de Lange, C.F.M. (2012). « The impact of lower gut nitrogen supply on nitrogen balance and urea kinetics in growing pigs fed a valine-limiting diet. », Journal of Animal Science, 90(Suppl. 4), p. 62-64. doi : 10.2527/jas.51843
- Lapierre, H., Holtrop, G., Calder, A.G., Renaud, J., et Lobley, G.E. (2012). « Is D-methionine bioavailable to the dairy cow? », Journal of Dairy Science (JDS), 95(1), p. 353-362. doi : 10.3168/jds.2011-4553
- Lapierre, H., Lobley, G.E., Doepel, L., Raggio, G., Rulquin, H., et Lemosquet, S. (2012). « Triennial lactation symposium: Mammary metabolism of amino acids in dairy cows. », Journal of Animal Science, 90(5), p. 1708-1721. doi : 10.2527/jas.2011-4645
- Lee, C., Hristov, A.N., Cassidy, T.W., Heyler, K. S., Lapierre, H., Varga, G. A., de Veth, M.J., Patton, R.A., et Parys, C. (2012). « Rumen-protected lysine, methionine, and histidine increase milk protein yield in dairy cows fed a metabolizable protein-deficient diet. », Journal of Dairy Science (JDS), 95(10), p. 6042-6056. doi : 10.3168/jds.2012-5581
- Lee, C., Hristov, A.N., Heyler, K. S., Cassidy, T.W., Lapierre, H., Varga, G. A., et Parys, C. (2012). « Effects of metabolizable protein supply and amino acid supplementation on nitrogen utilization, milk production, and ammonia emissions from manure in dairy cows. », Journal of Dairy Science (JDS), 95(9), p. 5253-5268. doi : 10.3168/jds.2012-5366
- Pacheco, D., Patton, R.A., Parys, C., et Lapierre, H. (2012). « Ability of commercially available dairy ration programs to predict duodenal flows of protein and essential amino acids in dairy cows. », Journal of Dairy Science (JDS), 95(2), p. 937-963. doi : 10.3168/jds.2011-4171
2011
- Doepel, L. et Lapierre, H. (2011). « Deletion of arginine from an abomasal infusion of amino acids does not decrease milk protein yield in Holstein cows. », Journal of Dairy Science (JDS), 94(2), p. 864-873. doi : 10.3168/jds.2010-3497
- Galindo, C.E., Ouellet, D.R., Pellerin, D., Lemosquet, S., Ortigues-Marty, I., et Lapierre, H. (2011). « Effect of amino acid or casein supply on whole-body, splanchnic, and mammary glucose kinetics in lactating dairy cows. », Journal of Dairy Science (JDS), 94(11), p. 5558-5568. doi : 10.3168/jds.2010-3978
- Lapierre, H., Vázquez-Añón, M., Parker, D., Dubreuil, P., Holtrop, G., et Lobley, G.E. (2011). « Metabolism of 2-hydroxy-4-(methylthio)butanoate (HMTBA) in lactating dairy cows. », Journal of Dairy Science (JDS), 94(3), p. 1526-1535. doi : 10.3168/jds.2010-3914
- Martineau, R., Sauvant, D., Ouellet, D.R., Côrtes, C., Vernet, J., Ortigues-Marty, I., et Lapierre, H. (2011). « Relation of net portal flux of nitrogen compounds with dietary characteristics in ruminants: A meta-analysis approach. », Journal of Dairy Science (JDS), 94(6), p. 2986-3001. doi : 10.3168/jds.2010-3438
2010
- Doepel, L. et Lapierre, H. (2010). « Changes in production and mammary metabolism of dairy cows in response to essential and nonessential amino acid infusions. », Journal of Dairy Science (JDS), 93(7), p. 3264-3274. doi : 10.3168/jds.2009-3033
- Frey, J.C., Pell, A.N., Berthiaume, R.R., Lapierre, H., Lee, S., Ha, J.K., Mendell, J.E., et Angert, E.R. (2010). « Comparative studies of microbial populations in the rumen, duodenum, ileum and faeces of lactating dairy cows. », Journal of Applied Microbiology, 108(6), p. 1982-1993. doi : 10.1111/j.1365-2672.2009.04602.x
- Ouellet, D.R., Berthiaume, R.R., Holtrop, G., Lobley, G.E., Martineau, R., et Lapierre, H. (2010). « Effect of method of conservation of timothy on endogenous nitrogen flows in lactating dairy cows. », Journal of Dairy Science (JDS), 93(9), p. 4252-4261. doi : 10.3168/jds.2010-3085
- Preynat, A., Lapierre, H., Thivierge, M.C., Palin, M.-F., Cardinault, N., Matte, J.J., Desrochers, A., et Girard, C.L. (2010). « Effects of supplementary folic acid and vitamin B12 on hepatic metabolism of dairy cows according to methionine supply. », Journal of Dairy Science (JDS), 93(5), p. 2130-2142. doi : 10.3168/jds.2009-2796
2009
- Brito, A.F., Tremblay, G.F., Lapierre, H., Bertrand, A., Castonguay, Y., Bélanger, G., Michaud, R., Benchaar, C., Ouellet, D.R., et Berthiaume, R.R. (2009). « Alfalfa cut at sundown and harvested as baleage increases bacterial protein synthesis in late-lactation dairy cows. », Journal of Dairy Science (JDS), 92(3), p. 1092-1107. doi : 10.3168/jds.2008-1469
- Doepel, L., Lobley, G.E., Bernier, J.F., Dubreuil, P., et Lapierre, H. (2009). « Differences in splanchnic metabolism between late gestation and early lactation dairy cows. », Journal of Dairy Science (JDS), 92(7), p. 3233-3243. doi : 10.3168/jds.2008-1595
- Lapierre, H., Doepel, L., Milne, E., et Lobley, G.E. (2009). « Responses in mammary and splanchnic metabolism to altered lysine supply in dairy cows. », Animal, 3(3), p. 360-371. doi : 10.1017/S1751731108003571
- Lemosquet, S., Delamaire, E., Lapierre, H., Blum, J.W., et Peyraud, J.L. (2009). « Effects of glucose, propionic acid, and nonessential amino acids on glucose metabolism and milk yield in Holstein dairy cows. », Journal of Dairy Science (JDS), 92(7), p. 3244-3257. doi : 10.3168/jds.2008-1610
- Lemosquet, S., Raggio, G., Lobley, G.E., Rulquin, H., Guinard-Flament, J., et Lapierre, H. (2009). « Whole-body glucose metabolism and mammary energetic nutrient metabolism in lactating dairy cows receiving digestive infusions of casein and propionic acid. », Journal of Dairy Science (JDS), 92(12), p. 6068-6082. doi : 10.3168/jds.2009-2018
- Libao-Mercado, A.J.O., Zhu, C.L., Cant, J.P., Lapierre, H., Thibault, J.-N., Sève, B., Fuller, M.F., et de Lange, C.F.M. (2009). « Dietary and Endogenous Amino Acids Are the Main Contributors to Microbial Protein in the Upper Gut of Normally Nourished Pigs. », Journal of Nutrition, 139(6), p. 1088-1094. doi : 10.3945/jn.108.103267
- Loncke, C., Ortigues-Marty, I., Vernet, J., Lapierre, H., Sauvant, D., et Nozière, P. (2009). « Empirical prediction of net portal appearance of volatile fatty acids, glucose, and their secondary metabolites (beta-hydroxybutyrate, lactate) from dietary characteristics in ruminants: a meta-analyses approach. », Journal of Animal Science, 87(1), p. 253-268. doi : 10.2527/jas.2008-0939
- Martineau, R., Ortigues-Marty, I., Vernet, J., et Lapierre, H. (2009). « Technical note: Correction of net portal absorption of nitrogen compounds for differences in methods: First step of a meta-analysis. », Journal of Animal Science, 87(10), p. 3300-3303. doi : 10.2527/jas.2008-1729
- Preynat, A., Lapierre, H., Thivierge, M.C., Palin, M.-F., Matte, J.J., Desrochers, A., et Girard, C.L. (2009). « Effects of Supplements of Folic Acid, Vitamin B12 and Rumen-Protected Methionine on Whole Body Metabolism of Methionine and Glucose in Lactating Dairy Cows. », Journal of Dairy Science (JDS), 92(2), p. 677-689. doi : 10.3168/jds.2008-1525
- Preynat, A., Lapierre, H., Thivierge, M.C., Palin, M.-F., Matte, J.J., Desrochers, A., et Girard, C.L. (2009). « Influence of methionine supply on the response of lactational performance of dairy cows to supplementary folic acid and vitamin B-12. », Journal of Dairy Science (JDS), 92(4), p. 1685-1695. doi : 10.3168/jds.2008-1572
Autres publications relatives à la science
2019
- Amino acid digestibility of canola meal estimated with pulse-dose in dairy cows or in roosters.
- 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.
2017
- Journal of Dairy Science Vol. 100 Suppl. 2 Abstract #: T229, page 312.
- 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.
- 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.
2015
- Lapierre, H. et 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), p. 609. (Résumé)
- Lapierre, H., Ouellet, D.R., et 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.
- Ouellet, D.R. et 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.
- Ouellet, D.R., Maxin, M., et 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), p. 462. (Résumé)
2014
- Artegoitia, V.M., Girard, C.L., Lapierre, H., Campagna, S.R., Harte, F., et de Veth, M.J. (2014). « Evaluation of choline metabolites in milk as potential biomarkers for choline absorption in the lactating dairy cow. », Journal of Dairy Science (JDS), 97(E-Suppl.1), p. 361. (Résumé)
- Giallongo, F., Oh, J., Frederick, T., Weeks, H., Hristov, A.N., Lapierre, H., Patton, R.A., Gehman, A., et Parys, C. (2014). « Effects of slow-release urea, rumen-protected methionine, and histidine on performance of dairy cows fed metabolizable protein-deficient diets. », Journal of Dairy Science (JDS), 97(E-Suppl.1), p. 174. (Résumé)
- Iroshan, I.H., Lapierre, H., et Doepel, L. (2014). « Effect of a limited supply of phenylalanine, threonine, and tryptophan on mammary metabolism of dairy cows. », Journal of Dairy Science (JDS), 97(E-Suppl.1), p. 751. (Résumé)
- Lapierre, H., Doepel, L., Pacheco, D., et 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, p. 167-168.
- Lapierre, H., Ouellet, D.R., Fournier, A., et 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, p. 35-53.
- Lapierre, H., Ouellet, D.R., et Lobley, G.E. (2014). « Estimation of histidine requirement in lactating dairy cows. », Journal of Dairy Science (JDS), 97(E-Suppl.1), p. 757. (Résumé)
- Ouellet, D.R. et Lapierre, H. (2014). Endogenous secretions in dairy cows - Advance Report (Period: October 22th, 2013 – July 21th, 2014). (Rapport)
- Ouellet, D.R., Lobley, G.E., et 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), p. 757. (Résumé)
2013
- Lapierre, H., Doepel, L., Pacheco, D., et 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, p. 225-236.
- Patton, R.A., Lapierre, H., et Parys, C. (2013). « Relationships between circulating plasma amino acid concentrations and milk protein production in lactating dairy cows. », Journal of Animal Science, 96(E-Suppl. 2/J). (Résumé)
2012
- Lapierre, H., Doepel, L., et Ouellet, D.R. (2012). « Update on protein and amino acid requirements for lactating dairy cows (no.864). », ADSA-AMPA-ASAS-CSAS-WSASAS Joint Annual Meeting, Pheonix, AZ, USA, July 15-19, 2012. (Présentation)
2011
- Lapierre, H., Doepel, L., Raggio, G., et Lemosquet, S. (2011). « Mammary metabolism of amino acids in dairy cows. », Journal of Animal Science, 89(E-Suppl. 1), p. 2 (#6). (Résumé)
- Lapierre, H., Ouellet, D.R., Doepel, L., et Lobley, G.E. (2011). « Lysine in dairy cows: From digestion to milk protein. », 2011 Dairy Cattle Nutrition Workshop, Penn State, Holiday Inn, Grantville, PA, USA, November 9-10, 2011, p. 19-25. (Atelier)
- Lapierre, H., Raggio, G., Ouellet, D.R., Martineau, R., et Doepel, L. (2011). « The study of amino acid metabolism, from absorption to milk protein secretion. », III Simposio internacional avanço em técnicas de pesquisa em nutriçao para ruminantes, Pirassununga, Brazil, March 24-25, 2011, p. 115-136.
- Lee, C., Hristov, A.N., Cassidy, T.W., Heyler, K. S., Lapierre, H., Varga, G. A., et Parys, C. (2011). « Effect of dietary protein level and rumen-protected amino acid supplementation on dietary amino acid apparent digestibility and recovery in milk in lactating dairy cows. », Journal of Animal Science, 89(E-Suppl. 1), p. 666 (#C689). (Résumé)
- Lee, C., Hristov, A.N., Cassidy, T.W., Heyler, K. S., Lapierre, H., Varga, G. A., et Parys, C. (2011). « Effect of dietary protein level and rumen-protected methionine supplementation on performance of lactating dairy cows. », Journal of Animal Science, 89(E-Suppl. 1), p. 181 (#79). (Résumé)
- Lee, C., Hristov, A.N., Heyler, K. S., Cassidy, T.W., Lapierre, H., Varga, G. A., et Parys, C. (2011). « Effect of dietary protein level and rumen-protected amino acids supplementation on ruminal fermentation and nitrogen utilization in lactating dairy cows. », Journal of Animal Science, 89(E-Suppl. 1), p. 609 (#W279). (Résumé)
2010
- Côrtes, C., Martineau, R., Sauvant, D., Ouellet, D.R., Vernet, J., Ortigues-Marty, I., et Lapierre, H. (2010). « Meta-analysis for the prediction of net portal absorption (NPA) of amino acid-N (AAN) and ammonia (NH3) in ruminants. », Journal of Dairy Science (JDS), 93(E-Suppl. 1), p. 451. (Résumé)
- Galindo, C.E., Ouellet, D.R., Pellerin, D., Lemosquet, S., Ortigues-Marty, I., et Lapierre, H. (2010). « Protéines ingérées et lactose du lait: quel est le lien? », 34e Symposium sur le bovin laitier, Drummondville, QC, Canada, October 28, 2010, p. 208-209. (Résumé)
- Girard, C.L., Preynat, A., Graulet, B., et Lapierre, H. (2010). « Could "minor" nutrients such as B vitamins alter major metabolic pathways in lactating dairy cows? », dans Crovetto, G.M. (dir.) - Energy and Protein Metabolism and Nutrition: 3rd EAAP International Symposium on Energy and Protein Metabolism and Nutrition Parma, Italy 6-10 September 2010. EAAP publication No. 127, Wageningen Academic Publishers, The Netherlands.
- Lapierre, H., Galindo, C.E., Lemosquet, S., Ortigues-Marty, I., Doepel, L., et Ouellet, D.R. (2010). « Protein supply, glucose kinetics and milk yield in dairy cows. », 3rd EAAP International Symposium on Energy and Protein: Metabolism and Nutrition, Parma, Italy, September 6-10, 2010, EAAP publication no. 127, p. 275-286.
- Lapierre, H., Ouellet, D.R., Martineau, R., Côrtes, C., Raggio, G., et Doepel, L. (2010). « From crude protein to absorbed amino acids…to milk protein. », 2010 Cornell Nutrition Conference for Feed Manufacturers. 72nd Meeting, Doubletree Hotel, East Syracuse, NY, USA, October 19-21, 2010, p. 25-37.
- Lemosquet, S., Guinard-Flament, J., Raggio, G., Hurtaud, C., van Milgen, J., et Lapierre, H. (2010). « How does increasing protein supply or glucogenic nutrients modify mammary metabolism in lactating dairy cows? », 3rd EAAP International Symposium on Energy and Protein: Metabolism and Nutrition, Parma, Italy, September 6-10, 2010, EAAP publication no. 127, p. 177-188. (Résumé)
- Lemosquet, S., Guinard-Flament, J., Raggio, G., Lapierre, H., et Rulquin, H. (2010). « Les apports de protéines augmentent-ils le volume de lait et les matières utiles. », 17e Journées 3R, Paris, France, December 8-9, 2010. (Résumé)
- Lemosquet, S., Lobley, G.E., Koopman, R., van Loon, L.J.C., Kies, A.K., et Lapierre, H. (2010). « A large supply of phenylalanine is not oxidised by the mammary gland of dairy cows. », 3rd EAAP International Symposium on Energy and Protein: Metabolism and Nutrition, Parma, Italy, September 6-10, 2010, EAAP publication no. 127, p. 139-140. (Résumé)
- Loncke, C., Nozière, P., Kraft, G., Savary-Auzeloux, I., Vernet, J., Lapierre, H., Sauvant, D., et Ortigues-Marty, I. (2010). « Net portal absorption of energy nutrients in Ruminants: assessment of prediction models. », Journal of Dairy Science (JDS), 93(E-Suppl. 1), p. 166. (Résumé)
- Loncke, C., Nozière, P., Lemosquet, S., Vernet, J., Lapierre, H., Sauvant, D., et Ortigues-Marty, I. (2010). « Émission splanchnique de glucose en relation avec les apports alimentaires et les performances animales. », 17e Journées 3R, Paris, France, December 8-9, 2010. (Résumé)
- Loncke, C., Nozière, P., Vernet, J., Lapierre, H., Sauvant, D., et Ortigues-Marty, I. (2010). « Empirical prediction of net splanchnic release of glucose in Ruminants from dietary and animal characteristics: a meta-analysis approach. », 3rd EAAP International Symposium on Energy and Protein: Metabolism and Nutrition, Parma, Italy, September 6-10, 2010, EAAP publication no. 127, p. 227-228. (Résumé)
- Ortigues-Marty, I., Loncke, C., Vernet, J., Lapierre, H., Sauvant, D., et Nozière, P. (2010). « From diets to splanchnic released energetic nutrients: empirical predictions in ruminants. », 3rd EAAP International Symposium on Energy and Protein: Metabolism and Nutrition, Parma, Italy, September 6-10, 2010, EAAP publication no. 127, p. 165-176. (Résumé)
- Ouellet, D.R., Valkeners, D., et Lapierre, H. (2010). « Does endogenous nitrogen contribute to over-estimate bacterial duodenal flow in ruminant estimated by 15N dilution technique? », 3rd EAAP International Symposium on Energy and Protein: Metabolism and Nutrition, Parma, Italy, September 6-10, 2010, EAAP publication no. 127, p. 125-128.
- Ouellet, D.R., Valkeners, D., et Lapierre, H. (2010). « Does endogenous nitrogen contribute to over-estimate bacterial duodenal flow in ruminant estimated by 15N dilution technique? », 3rd EAAP International Symposium on Energy and Protein: Metabolism and Nutrition, Parma, Italy, September 6-10, 2010, EAAP publication no. 127, p. 127-128. (Résumé)
2009
- Brito, A.F., Tremblay, G.F., Bertrand, A., Castonguay, Y., Bélanger, G., Michaud, R., Lapierre, H., Benchaar, C., Petit, H.V., Ouellet, D.R., et Berthiaume, R.R. (2009). « Alfalfa Cut At Sundown and Harvested As Baleage Increases Performance of Late-Lactation Dairy Cows. », 27th Western Canadian Dairy Seminar (WCDS): Forging Ahead Through Challenging, Capri Centre, Red Deer, AB, Canada, March 10-13, 2009, Session VII: Focus on Forage, p. 368. (Résumé)
- Hassanat, F., Lapierre, H., et Ouellet, D.R. (2009). « Effect of starch infusion site on glucose rate of appearance (Ra) and starch and crude protein nitrogen digestibility in dairy cows. », Journal of Dairy Science (JDS), 92(Suppl.), p. 97. (Résumé)
- Lapierre, H., Ouellet, D.R., et Doepel, L. (2009). « Do You Feed Protein or Amino Acids to Make Milk? », 27th Western Canadian Dairy Seminar (WCDS): Forging Ahead Through Challenging, Capri Centre, Red Deer, AB, Canada, March 10-13, 2009.
- Loncke, C., Nozière, P., Vernet, J., Lapierre, H., Sauvant, D., et Ortigues-Marty, I. (2009). « Empirical prediction of net splanchnic release of ß-hydroxybutyrate in ruminants. », XIth International Symposium on Ruminant Physiology, Clermont-Ferrand, France, September 6-9, 2009. (Résumé)
- Martineau, R., Sauvant, D., Ouellet, D.R., Vernet, J., Ortigues-Marty, I., et Lapierre, H. (2009). « Meta-analysis for the prediction of net portal absorption of amino acid nitrogen in ruminants. », Journal of Dairy Science (JDS), 92(Suppl.), p. 469-470. (Résumé)
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