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
The effects of feeding 3-nitrooxypropanol on methane emissions and productivity of Holstein cows in mid lactation
J. Haisan,Y. Sun,Le Luo Guan,Karen A. Beauchemin,Alan D. Iwaasa,Stephane Duval,Daniel R. Barreda,Masahito Oba +7 more
TL;DR: The data showed that feeding 3-nitrooxypropanol to lactating dairy cows at 2,500 mg/d can reduce methane emissions without compromising DMI or milk production.
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Technical Note: Validation of a System for Monitoring Feeding Behavior of Dairy Cows
TL;DR: This GrowSafe feed alley monitoring system can provide very good measures of meal frequency and meal duration and reasonable estimates of instantaneous feed alley attendance for loose-housed dairy cattle.
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Enhancing in vitro degradation of alfalfa hay and corn silage using feed enzymes.
Jong-Su Eun,Karen A. Beauchemin +1 more
TL;DR: Enzyme products that improve in vitro degradation of forages may have the potential to improve lactational performance of dairy cows.
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Resistance of feed enzymes to proteolytic inactivation by rumen microorganisms and gastrointestinal proteases.
Diego P. Morgavi,Karen A. Beauchemin,Victor Nsereko,Lyle Rode,Tim A. McAllister,Alan D. Iwaasa,Yanan Wang,W.Z. Yang +7 more
TL;DR: Results suggest that the enzyme feed additives tested were stable in the rumen of animals after feeding, and exogenous enzymes are likely to be more susceptible to the host gastrointestinal proteases in the abomasum and intestines than to ruminal proteases.
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Effect of feed delivery fluctuations and feeding time on ruminal acidosis, growth performance, and feeding behavior of feedlot cattle.
Karen S Schwartzkopf-Genswein,Karen A. Beauchemin,Tim A. McAllister,D. J. Gibb,M. Streeter,A. D. Kennedy +5 more
TL;DR: The studies indicate that the risk of subclinical acidosis was increased with fluctuating delivery of feed, but the greater risk of acidosis did not impair growth performance by feedlot cattle.