Yvan Chouinard

• Centre de recherche en sciences et technologie du lait
• Institut sur la nutrition et les aliments fonctionnels

Financements des 2 dernières années

• Aldcejam Martins Da Fonseca Junior, Stage postdoctoral en sciences animales

Encadrements des 5 dernières années

• Myriam Landry, Maîtrise en sciences animales - avec mémoire
• Myriam Landry, Doctorat en sciences animales
• Pauline Denis, Stage postdoctoral en sciences animales

Travaux de recherche des 5 dernières années

Effects of plasma insulin concentrations on milk yield and composition in dairy cows Animal - Open Space, 2026. A. L’Espérance, R. Gervais, P.Y. Chouinard. DOI 10.1016/j.anopes.2026.100152

Data paper: Variability of milk fatty acid profiles across controlled dairy cow trials Animal - Open Space, 2026. P.Y. Chouinard. DOI 10.1016/j.anopes.2026.100145

Effect of dietary sunflower oil and feeding frequency on milk conjugated linoleic acids in early lactating Holstein cows Animal - Open Space, 2026. N. Lafond, R. Gervais, P.Y. Chouinard. DOI 10.1016/j.anopes.2026.100144

Comparison of dietary fatty acid supplements on milk production, physicochemical properties, and butter characteristics Journal of Dairy Science, 2026. M. Landry, Y. Lebeuf, J. Chamberland, G. Brisson, P.Y. Chouinard, R. Gervais. DOI 10.3168/jds.2026-28654

Increased supply of lysine, methionine, and histidine during heat stress in primiparous and multiparous dairy cows: Effects on clinical signs of heat stress, performance, and metabolism Journal of Dairy Science, 2026. A. Ruiz-González, Y.H. Leung, A. Celemin, A. Kenez, P.Y. Chouinard, R. Gervais, H. Lapierre, D.R. Ouellet, D.E. Rico. DOI 10.3168/jds.2025-27542

Effects of dietary palmitic acid supplementation on milk technological properties and attempted mitigation of butter texture changes through cream ripening 2026. Myriam Landry, Y. Lebeuf, Julien Chamberland, Guillaume Brisson, P. Yvan Chouinard, Rachel Gervais. DOI 10.2139/ssrn.7438984

Effects of various sources of unsaturated oil on ruminal fermentation characteristics, nutrient digestion, enteric methane emissions, nitrogen partitioning, and milk production in dairy cows Journal of Dairy Science, 2025. C. Benchaar, P. Denis, P.Y. Chouinard. DOI 10.3168/jds.2024-25698

Effect of dietary palmitic acid supplementation and milking frequency: 2. Butter manufacture and properties Journal of Dairy Science, 2025. M. Landry, M. Gareau-Vignola, M. Guyard, Y. Lebeuf, J. Chamberland, G. Brisson, P.Y. Chouinard, R. Gervais. DOI 10.3168/jds.2025-26596

Effect of dietary palmitic acid supplementation and milking frequency: 1. Milk production and composition in early-lactation dairy cows Journal of Dairy Science, 2025. M. Landry, R. Lessard, F. Huot, P.Y. Chouinard, R. Gervais. DOI 10.3168/jds.2025-26595

Can dietary palmitic supplementation and milking frequency modify the cheesemaking properties of milk? Journal of Dairy Science, 2025. Maude Blouin, Myriam Landry, Camille Vaubaillon, Jules Larouche, Éric Paquet, Yvan Chouinard, Guillaume Brisson, Rachel Gervais, Julien Chamberland. DOI 10.3168/jds.2024-25706

Production performance and milk composition of late lactation dairy goats fed diets based on silages of four different forage species Animal - Open Space, 2024. A. Doyon, G.F. Tremblay, R. Gervais, P.Y. Chouinard. DOI 10.1016/j.anopes.2024.100070

Growth performance, carcass characteristics, and meat quality in meat and dairy goat kids fed a concentrate-based diet or allotted to an intensive rotational grazing system Canadian Journal of Animal Science, 2024. M.-È. Brassard, P.Y. Chouinard, G.F. Tremblay, R. Gervais, É. Pouliot, L. Tessier, C. Gariépy, D. Cinq-Mars. DOI 10.1139/cjas-2023-0075

Nitrogen efficiency in cows fed red clover- or alfalfa-silage-based diets differing in rumen-degradable protein supply Animal - Open Space, 2023. M. Leduc, R. Gervais, P.Y. Chouinard. DOI 10.1016/j.anopes.2023.100050

Lactational performance of cows fed extruded flaxseed in commercial dairy herds Animal - Open Space, 2023. A. Beauregard, M.-P. Dallaire, R. Gervais, P.Y. Chouinard. DOI 10.1016/j.anopes.2023.100043

Milk volatilome as affected by somatic cell count in Holstein cows Animal - Open Space, 2023. P.Y. Chouinard, C. Garon, Y. Lebeuf, S. Dufour, R. Gervais. DOI 10.1016/j.anopes.2023.100049

Phylogenetic variation in raw cow milk microbiota and the impact of forage combinations and use of silage inoculants Frontiers in Microbiology, 2023. Alexandre J. K. Ouamba, Mérilie Gagnon, Thibault Varin, P. Yvan Chouinard, Gisèle LaPointe, Denis Roy. DOI 10.3389/fmicb.2023.1175663

External evaluation of the prediction equation for milk fat yield by the 2021 NASEM dairy model using data from eastern Canadian dairy herds JDS Communications, 2023. S. Binggeli, D. Pellerin, P.Y. Chouinard. DOI 10.3168/jdsc.2022-0360

Composition and distribution of fatty acids in various lipid fractions in serum and follicular fluid of women undergoing assisted reproductive technology PLOS ONE, 2023. Yujie Liu, Kelly Tilleman, Bruno Vlaeminck, Rachel Gervais, P. Yvan Chouinard, Petra De Sutter, Veerle Fievez. DOI 10.1371/journal.pone.0286946

Effect of postruminal supply of linseed oil in dairy cows: 2. Milk fatty acid profile and oxidative stability Journal of Dairy Research, 2023. Daniel E. Rico, Rachel Gervais, Sara M. Peňa-Cotrino, Yolaine Lebeuf, P. Yvan Chouinard. DOI 10.1017/s0022029923000262

Effect of postruminal supply of linseed oil in dairy cows: 1. Production performance and fate of postruminally available α-linolenic acid Journal of Dairy Research, 2023. Rachel Gervais, Daniel E. Rico, Sara M. Peňa-Cotrino, Yolaine Lebeuf, P. Yvan Chouinard. DOI 10.1017/s0022029923000250

Increased dietary vitamin D3 and calcium partially alleviate heat stress symptoms and inflammation in lactating Holstein cows independent of dietary concentrations of vitamin E and selenium Journal of Dairy Science, 2023. A. Ruiz-González, W. Suissi, L.H. Baumgard, Y. Martel-Kennes, P.Y. Chouinard, R. Gervais, D.E. Rico. DOI 10.3168/jds.2022-22345

Effects of soybean oil plus additional forage and anabolic implant in finishing steers: feedlot performance, carcass composition, and meat quality Canadian Journal of Animal Science, 2023. V. Poulin, C. Gariépy, S. Cliche, J. Jacob, R. Gervais, P.Y. Chouinard. DOI 10.1139/cjas-2022-0060

Effects of direct-fed Bacillus subtilis and Bacillus licheniformis on production performance and milk fatty acid profile in dairy cows Journal of Dairy Science, 2023. Lamontagne, J., Rico, D.E., Perdomo, C.M., Ronholm, J., Gervais, R., Chouinard, P.Y.. DOI 10.3168/jds.2022-22564

Metataxonomic insights into the microbial ecology of farm-scale hay, grass or legume, and corn silage produced with and without inoculants Frontiers in Systems Biology, 2022. Alexandre J. Kennang Ouamba, Mérilie Gagnon, Thibault Varin, P. Yvan Chouinard, Gisèle LaPointe, Denis Roy. DOI 10.3389/fsysb.2022.955611

Graduate Student Literature Review: Farm management practices: Potential microbial sources that determine the microbiota of raw bovine milk Journal of Dairy Science, 2022. Ouamba, A.J.K., Gagnon, M., LaPointe, G., Chouinard, P.Y., Roy, D.. DOI 10.3168/jds.2021-21758

The fatty acid composition in follicles is related to the developmental potential of oocytes up to the blastocyst stage: a single-centre cohort study Reproductive Biology and Endocrinology, 2022. Liu, Y., Tilleman, K., Vlaeminck, B., Gervais, R., Chouinard, P.Y., De Sutter, P., Fievez, V.. DOI 10.1186/s12958-022-00974-7

Thermal adaptation and fatty acid profiles of bone marrow and muscles in mammals: Implications of a study of caribou (Rangifer tarandus caribou) PLoS ONE, 2022. Morin, E., Soppela, P., Chouinard, P.Y.. DOI 10.1371/journal.pone.0268593

Milk yield and composition in dairy goats fed extruded flaxseed or a high-palmitic acid fat supplement Journal of Dairy Research, 2022. Lévesque, J., Dion, S., Rico, D.E., Brassard, M.-E., Gervais, R., Chouinard, P.Y.. DOI 10.1017/S0022029922000784

Characterization of raft microdomains in bovine mammary tissue during lactation: How they are modulated by fatty acid treatments Journal of Dairy Science, 2021. Taga, H., Dallaire, M.P., Gervais, R., Richard, F.J., Ma, L., Corl, B.A., Chouinard, P.Y.. DOI 10.3168/jds.2020-19267

Apparent digestibility of macronutrients and fatty acids from microalgae (Schizochytrium sp.) fed to rainbow trout (oncorhynchus mykiss): A potential candidate for fish oil substitution Animals, 2021. Bélanger, A., Sarker, P.K., Bureau, D.P., Chouinard, Y., Vandenberg, G.W.. DOI 10.3390/ani11020456

Effects of a dietary supplement enriched in palmitoleic acid on fatty acid composition of follicular fluid, granulosa cell metabolism, and oocyte developmental capacity in early lactation dairy cows Journal of Dairy Science, 2021. Plante-Dubé, M., Picard, C., Gilbert, I., Robert, C., Fievez, V., Vlaeminck, B., Belleannée, C., Gervais, R., Chouinard, P.Y.. DOI 10.3168/jds.2020-19191

Effect of two thermoresistant non-starter lactic acid bacteria strains on volatilome profile during Cheddar ripening simulation International Journal of Food Microbiology, 2021. Gagnon, M., Goulet, C., LaPointe, G., Chouinard, P.Y., Roy, D.. DOI 10.1016/j.ijfoodmicro.2021.109382

Production performance and oxidative stability of milk enriched with n-3 fatty acids in holstein cows fed flaxseed meal Canadian Journal of Animal Science, 2021. Rico, D.E., Gervais, R., Schwebel, L., Lebeuf, Y., Chouinard, P.Y.. DOI 10.1139/cjas-2020-0105

Potassium carbonate as a supplement to improve milk fat concentration and yield in early-lactating dairy goats fed a high-starch, low-fiber diet Journal of Dairy Science, 2021. Dion, S., Brassard, M.E., Lévesque, J., Rico, D.E., Tremblay, G.F., Gervais, R., Chouinard, P.Y.. DOI 10.3168/jds.2020-19960