Zobrazeno 1 - 10
of 1 203
pro vyhledávání: '"D, PELLERIN"'
Publikováno v:
JDS Communications, Vol 5, Iss 6, Pp 543-547 (2024)
A recent study assessed the ability of 4 feed evaluation models to predict milk protein yield (MPY) in a commercial context, with data of 541 cows from 23 dairy herds in the province of Québec, Canada. However, the recently published Nutrient Requir
Externí odkaz:
https://doaj.org/article/2d2497ba9c0149d297d549905371e4db
Autor:
R. Martineau, D.R. Ouellet, D. Pellerin, J.L. Firkins, M.D. Hanigan, R.R. White, P.A. LaPierre, M.E. Van Amburgh, H. Lapierre
Publikováno v:
Journal of Dairy Science, Vol 106, Iss 12, Pp 8583-8610 (2023)
ABSTRACT: Adequate prediction of postruminal outflow of protein fractions is the starting point for the determination of metabolizable protein supply in dairy cows. The objective of this meta-analysis was to compare the performance of 3 dairy feed ev
Externí odkaz:
https://doaj.org/article/34cd681eaa7c465a91b41f8f1c77424f
Publikováno v:
JDS Communications, Vol 4, Iss 5, Pp 340-343 (2023)
In 2021, the National Academies of Sciences, Engineering, and Medicine (NASEM) issued an equation to predict milk fat yield using dairy cow characteristics and diet composition as input variables. This model was evaluated externally using a data set
Externí odkaz:
https://doaj.org/article/20f09e40819e4668811c82c4b6b258b2
Publikováno v:
Journal of Dairy Science, Vol 105, Iss 5, Pp 3997-4015 (2022)
ABSTRACT: Feed evaluation models (FEM) are a core part in dairy cow feeding. As these models are developed using different biological and mathematical approaches mainly tested in a research context, their abilities to predict production in commercial
Externí odkaz:
https://doaj.org/article/002c2715aa3242d69a1da560bdd60ad9
Keeping profitable cows in the herd: A lifetime cost-benefit assessment to support culling decisions
Autor:
D. Warner, G.M. Dallago, O.W. Dovoedo, R. Lacroix, H.A. Delgado, R.I. Cue, K.M. Wade, J. Dubuc, D. Pellerin, E. Vasseur
Publikováno v:
Animal, Vol 16, Iss 10, Pp 100628- (2022)
Increasing the productive lifespan of dairy cows is important to achieve a sustainable dairy industry, but making strategic culling decisions based on cow profitability is challenging for farmers. The objective of this study was to carry out a lifeti
Externí odkaz:
https://doaj.org/article/a0783157dcc44cfab896bc20b35bf121
Performance perception of Canadian dairy producers when transitioning to an automatic milking system
Publikováno v:
JDS Communications, Vol 2, Iss 4, Pp 212-216 (2021)
Adoption of automated milking systems (AMS) has increased exponentially around the world in recent years. The objective of this observational study was to evaluate how producer perception of changes in cow-average milk yield and somatic cell count (S
Externí odkaz:
https://doaj.org/article/c710b12dcf6a496fb60a8193f65a08c2
Publikováno v:
Animal, Vol 13, Iss 9, Pp 2101-2109 (2019)
As vitamin B12 is only synthesized by bacteria, ruminant products, especially dairy products, are excellent sources of this vitamin. This study aims to identify if diet and cow characteristics could affect vitamin B12 concentration in milk of dairy c
Externí odkaz:
https://doaj.org/article/1bf12377b0334a5792746404f293ac1c
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