K
Karen A. Beauchemin
Researcher at Agriculture and Agri-Food Canada
Publications - 445
Citations - 25579
Karen A. Beauchemin is an academic researcher from Agriculture and Agri-Food Canada. The author has contributed to research in topics: Silage & Rumen. The author has an hindex of 83, co-authored 423 publications receiving 22351 citations. Previous affiliations of Karen A. Beauchemin include University of Guelph.
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Journal ArticleDOI
Incidence, prevalence, severity, and risk factors for ruminal acidosis in feedlot steers during backgrounding, diet transition, and finishing.
E. Castillo-Lopez,B I Wiese,Steve Hendrick,John J McKinnon,Tim A. McAllister,Karen A. Beauchemin,G. B. Penner +6 more
TL;DR: Overall, the greatest incidence, prevalence, and severity of ruminal acidosis were observed towards the end of the finishing phase and were associated with days on feed and DMI.
Journal ArticleDOI
Comparison of wheat or corn dried distillers grains with solubles on rumen fermentation and nutrient digestibility by feedlot heifers.
L.J. Walter,Tim A. McAllister,W.Z. Yang,Karen A. Beauchemin,M. L. He,M. L. He,John J McKinnon +6 more
TL;DR: Replacement of barley grain with up to 40% wheat or corn DDGS did not mitigate rumen pH conditions associated with mild to moderate acidosis in heifers fed a barley-based finishing diet, and supplementing cornDDGS increased nutrient digestibility of all nutrients and, as a result, led to greater DE content.
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The effect of exogenous fibrolytic enzymes and a ferulic acid esterase-producing inoculant on the fibre degradability, chemical composition and conservation characteristics of alfalfa silage
TL;DR: In this paper, the effect of applying fibrolytic enzymes at ensiling, either alone or in combination with a ferulic acid esterase-producing bacterial silage inoculant, on the silage conservation characteristics and nutritive value of alfalfa ( Medicago sativa L.).
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Performance of a dispersion model to estimate methane loss from cattle in pens.
TL;DR: The results indicate that the bLS dispersion technique using cattle as point sources can be used to accurately measure enteric CH(4) from cattle and to evaluate the impact of dietary mitigation strategies.
Journal ArticleDOI
Methane emissions from feedlot cattle in Australia and Canada
Sean M. McGinn,Deli Chen,Zoe Loh,Julian Hill,Karen A. Beauchemin,O. T. Denmead,O. T. Denmead +6 more
TL;DR: In this article, the authors compare CH4 emissions from a typical feedlot in Australia (Queensland) and in Canada (Alberta) and also compare these against modelled emissions.