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Hélène Lapierre

Research Profile

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Publications

TOP 3
R Martineau; Daniel R Ouellet; Hélène Lapierre
Feeding canola meal to dairy cows: a meta-analysis on lactational responses.
Daniel Columbus; Malcolm F Fuller; J K Htoo; Hélène Lapierre; C F M de Lange
The impact of lower gut nitrogen supply on nitrogen balance and urea kinetics in growing pigs fed a valine-limiting diet.
Hélène Lapierre; Gerald E Lobley; G Raggio; Henri Rulquin; L Doepel; Sophie Lemosquet
Triennial Lactation Symposium: Mammary metabolism of amino acids in dairy cows.

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All Publications

2013: R Martineau; Daniel R Ouellet; Hélène Lapierre
Feeding canola meal to dairy cows: a meta-analysis on lactational responses.
Journal of dairy science 2013;96(3):1701-14.
2012: Daniel Columbus; Malcolm F Fuller; J K Htoo; Hélène Lapierre; C F M de Lange
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 2012;90 Suppl 4():62-4.
2012: Hélène Lapierre; Gerald E Lobley; G Raggio; Henri Rulquin; L Doepel; Sophie Lemosquet
Triennial Lactation Symposium: Mammary metabolism of amino acids in dairy cows.
Journal of animal science 2012;90(5):1708-21.
2011: R Martineau; D Sauvant; Daniel R Ouellet; C Côrtes; J Vernet; I Ortigues-Marty; Hélène Lapierre
Relation of net portal flux of nitrogen compounds with dietary characteristics in ruminants: a meta-analysis approach.
Journal of dairy science 2011;94(6):2986-3001.
2011: Hélène Lapierre; Mercedes Vázquez-Añón; D Parker; P Dubreuil; G Holtrop; Gerald E Lobley
Metabolism of 2-hydroxy-4-(methylthio)butanoate (HMTBA) in lactating dairy cows.
Journal of dairy science 2011;94(3):1526-35.
2011: L Doepel; Hélène Lapierre
Deletion of arginine from an abomasal infusion of amino acids does not decrease milk protein yield in Holstein cows.
Journal of dairy science 2011;94(2):864-73.
2010: Daniel R Ouellet; R Berthiaume; Grietje Holtrop; Gerald E Lobley; R Martineau; Hélène Lapierre
Effect of method of conservation of timothy on endogenous nitrogen flows in lactating dairy cows.
Journal of dairy science 2010;93(9):4252-61.
2010: L Doepel; Hélène Lapierre
Changes in production and mammary metabolism of dairy cows in response to essential and nonessential amino acid infusions.
Journal of dairy science 2010;93(7):3264-74.
2009: R Martineau; I Ortigues-Marty; J Vernet; Hélène Lapierre
Technical note: correction of net portal absorption of nitrogen compounds for differences in methods: first step of a meta-analysis.
Journal of animal science 2009;87(10):3300-3.
2009: L Doepel; Gerald E Lobley; J F Bernier; Pascal Dubreuil; Hélène Lapierre
Differences in splanchnic metabolism between late gestation and early lactation dairy cows.
Journal of dairy science 2009;92(7):3233-43.
2009: A F Brito; G F Tremblay; Hélène Lapierre; A Bertrand; Y Castonguay; G Bélanger; R Michaud; C Benchaar; Daniel R Ouellet; R Berthiaume
Alfalfa cut at sundown and harvested as baleage increases bacterial protein synthesis in late-lactation dairy cows.
Journal of dairy science 2009;92(3):1092-107.
2008: A F Brito; G F Tremblay; A Bertrand; Y Castonguay; G Bélanger; R Michaud; Hélène Lapierre; C Benchaar; Helene V Petit; Daniel R Ouellet; R Berthiaume
Alfalfa cut at sundown and harvested as baleage improves milk yield of late-lactation dairy cows.
Journal of dairy science 2008;91(10):3968-82.
2008: S I Borucki Castro; P W Jardon; Hélène Lapierre; LE Phillip; R Berthiaume
Towards non-invasive methods to determine the effect of treatment of soya-bean meal on lysine availability in dairy cows.
Animal : an international journal of animal bioscience 2008;2(2):224-34.
2007: R Martineau; C Benchaar; Helene V Petit; Hélène Lapierre; Daniel R Ouellet; D Pellerin; R Berthiaume
Effects of lasalocid or monensin supplementation on digestion, ruminal fermentation, blood metabolites, and milk production of lactating dairy cows.
Journal of dairy science 2007;90(12):5714-25.
2007: L Doepel; Gerald E Lobley; Jean F Bernier; Pascal Dubreuil; Hélène Lapierre
Effect of glutamine supplementation on splanchnic metabolism in lactating dairy cows.
Journal of dairy science 2007;90(9):4325-33.
2007: Hélène Lapierre; Mercedes Vázquez-Añón; D Parker; P Dubreuil; Gerald E Lobley
Short communication: Absorption of 2-hydroxy-4-methylthiobutanoate in dairy cows.
Journal of dairy science 2007;90(6):2937-40.
2007: R Martineau; Hélène Lapierre; Daniel R Ouellet; D Pellerin; R Berthiaume
Effects of the method of conservation of timothy on nitrogen metabolism in lactating dairy cows.
Journal of dairy science 2007;90(6):2870-82.
2007: E Charbonneau; P Yvan Chouinard; G Allard; Hélène Lapierre; D Pellerin
Milk from forage as affected by rumen degradable protein and corn grinding when feeding corn- and alfalfa silage-based diets.
Journal of dairy science 2007;90(2):823-32.
2007: S I Borucki Castro; LE Phillip; Hélène Lapierre; P W Jardon; R Berthiaume
Ruminal degradability and intestinal digestibility of protein and amino acids in treated soybean meal products.
Journal of dairy science 2007;90(2):810-22.
2007: G Raggio; Gerald E Lobley; R Berthiaume; D Pellerin; G Allard; Pascal Dubreuil; Hélène Lapierre
Effect of protein supply on hepatic synthesis of plasma and constitutive proteins in lactating dairy cows.
Journal of dairy science 2007;90(1):352-9.
2006: David Pacheco; C G Schwab; R Berthiaume; G Raggio; Hélène Lapierre
Comparison of net portal absorption with predicted flow of digestible amino acids: scope for improving current models?
Journal of dairy science 2006;89(12):4747-57.
2006: G Raggio; Sophie Lemosquet; Gerald E Lobley; Henri Rulquin; Hélène Lapierre
Effect of casein and propionate supply on mammary protein metabolism in lactating dairy cows.
Journal of dairy science 2006;89(11):4340-51.
2006: L Doepel; M Lessard; N Gagnon; Gerald E Lobley; Jean F Bernier; Pascal Dubreuil; Hélène Lapierre
Effect of postruminal glutamine supplementation on immune response and milk production in dairy cows.
Journal of dairy science 2006;89(8):3107-21.
2006: R Berthiaume; M Carole Thivierge; R A Patton; Pascal Dubreuil; M Stevenson; Brian W McBride; Hélène Lapierre
Effect of ruminally protected methionine on splanchnic metabolism of amino acids in lactating dairy cows.
Journal of dairy science 2006;89(5):1621-34.
2006: Hélène Lapierre; David Pacheco; R Berthiaume; Daniel R Ouellet; C G Schwab; Pascal Dubreuil; Grietje Holtrop; Gerald E Lobley
What is the true supply of amino acids for a dairy cow?
Journal of dairy science 2006;89 Suppl 1():E1-14.
2006: E Charbonneau; P Yvan Chouinard; G Allard; Hélène Lapierre; D Pellerin
Milk from forage as affected by carbohydrate source and degradability with alfalfa silage-based diets.
Journal of dairy science 2006;89(1):283-93.
2005: Christiane L Girard; Hélène Lapierre; J Jacques Matte; Gerald E Lobley
Effects of dietary supplements of folic acid and rumen-protected methionine on lactational performance and folate metabolism of dairy cows.
Journal of dairy science 2005;88(2):660-70.
2004: G Raggio; David Pacheco; R Berthiaume; Gerald E Lobley; D Pellerin; G Allard; Pascal Dubreuil; Hélène Lapierre
Effect of level of metabolizable protein on splanchnic flux of amino acids in lactating dairy cows.
Journal of dairy science 2004;87(10):3461-72.
2004: L Doepel; David Pacheco; John J Kennelly; M D Hanigan; I F López; Hélène Lapierre
Milk protein synthesis as a function of amino acid supply.
Journal of dairy science 2004;87(5):1279-97.
2003: Daniel R Ouellet; Hélène Lapierre; J Chiquette
Effects of corn silage processing and amino acid supplementation on the performance of lactating dairy cows.
Journal of dairy science 2003;86(11):3675-84.
2002: Daniel R Ouellet; M Demers; G Zuur; Gerald E Lobley; J R Seoane; John Nolan; Hélène Lapierre
Effect of dietary fiber on endogenous nitrogen flows in lactating dairy cows.
Journal of dairy science 2002;85(11):3013-25.
2002: M Carole Thivierge; D Petitclerc; Jean F Bernier; Yvon Couture; Hélène Lapierre
Variations in mammary protein metabolism during the natural filling of the udder with milk over a 12-h period between two milkings: leucine kinetics.
Journal of dairy science 2002;85(11):2974-85.
2002: Hélène Lapierre; J P Blouin; Jean F Bernier; CK Reynolds; Pascal Dubreuil; Gerald E Lobley
Effect of supply of metabolizable protein on whole body and splanchnic leucine metabolism in lactating dairy cows.
Journal of dairy science 2002;85(10):2631-41.
2002: J P Blouin; Jean F Bernier; CK Reynolds; Gerald E Lobley; Pascal Dubreuil; Hélène Lapierre
Effect of supply of metabolizable protein on splanchnic fluxes of nutrients and hormones in lactating dairy cows.
Journal of dairy science 2002;85(10):2618-30.
2002: L Doepel; Hélène Lapierre; John J Kennelly
Peripartum performance and metabolism of dairy cows in response to prepartum energy and protein intake.
Journal of dairy science 2002;85(9):2315-34.
2002: M Carole Thivierge; D Petitclerc; Jean F Bernier; Yvon Couture; Hélène Lapierre
Variations in mammary metabolism during the natural filling of the udder with milk over a 12-h period between two milkings.
Journal of dairy science 2002;85(7):1839-54.
2002: M Carole Thivierge; Jean F Bernier; Pascal Dubreuil; Hélène Lapierre
The effect of jugular or abomasal infusion of amino acids on milk yield in lactating cows fed a protein deficient diet.
Reproduction, nutrition, development 2002;42(1):1-13.
2001: Christiane L Girard; Hélène Lapierre; A Desrochers; C Benchaar; J Jacques Matte; D Rémond
Net flux of folates and vitamin B12 through the gastrointestinal tract and the liver of lactating dairy cows.
The British journal of nutrition 2001;86(6):707-15.
2001: R Berthiaume; Pascal Dubreuil; M Stevenson; Brian W McBride; Hélène Lapierre
Intestinal disappearance and mesenteric and portal appearance of amino acids in dairy cows fed ruminally protected methionine.
Journal of dairy science 2001;84(1):194-203.
2000: M Carole Thivierge; D Petitclerc; Jean F Bernier; Yvon Couture; Hélène Lapierre
External pudic venous reflux into the mammary vein in lactating dairy cows.
Journal of dairy science 2000;83(10):2230-8.
2000: R Berthiaume; Hélène Lapierre; M Stevenson; Nathalie Coté; Brian W McBride
Comparison of the in situ and in vivo intestinal disappearance of ruminally protected methionine.
Journal of dairy science 2000;83(9):2049-56.
2000: Hélène Lapierre; Jean F Bernier; Pascal Dubreuil; CK Reynolds; C Farmer; Daniel R Ouellet; Gerald E Lobley
The effect of feed intake level on splanchnic metabolism in growing beef steers.
Journal of animal science 2000;78(4):1084-99.
2000: Hélène Lapierre; C Farmer; CK Reynolds; Jean F Bernier; Gerald E Lobley; Pascal Dubreuil
The effect of intake level on whole body kinetics and hepatic removal of somatotropin in growing beef steers.
Domestic animal endocrinology 2000;18(2):217-27.
1999: Hélène Lapierre; Jean F Bernier; Pascal Dubreuil; CK Reynolds; C Farmer; Daniel R Ouellet; Gerald E Lobley
The effect of intake on protein metabolism across splanchnic tissues in growing beef steers.
The British journal of nutrition 1999;81(6):457-66.