T
Tim A. McAllister
Researcher at Agriculture and Agri-Food Canada
Publications - 907
Citations - 37778
Tim A. McAllister is an academic researcher from Agriculture and Agri-Food Canada. The author has contributed to research in topics: Rumen & Silage. The author has an hindex of 85, co-authored 862 publications receiving 32409 citations. Previous affiliations of Tim A. McAllister include University of Alberta & University of Guelph.
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Book ChapterDOI
Enzymes as Direct-Feed Additives for Ruminants
Lyle Rode,Tim A. McAllister,Karen A. Beauchemin,Diego P. Morgavi,Victor Nsereko,W.Z. Yang,Alan D. Iwaasa,Yanan Wang +7 more
TL;DR: Evidence to date suggests that the benefits of exogenous enzymes is synergistic to ruminal endogenous enzymes, which may explain why relatively small amounts of enzyme can have such large effects on animal productivity.
Journal ArticleDOI
Effects of an exogenous enzyme-containing inoculant on fermentation characteristics of barley silage and on growth performance of feedlot steers
TL;DR: Although the inoculant accelerated pH decline during ensiling, it did not improve the growth performance or alter the carcass traits of steers and it is possible that a reduction in the aerobic stability of the inoculated silage may have contributed to this outcome.
Journal ArticleDOI
Heat and desiccation are the predominant factors affecting inactivation of Bacillus licheniformis and Bacillus thuringiensis spores during simulated composting
Kim Stanford,A. Harvey,Ruth Barbieri,Shanwei Xu,Tim Reuter,Kingsley K. Amoako,L. B. Selinger,Tim A. McAllister +7 more
TL;DR: The suitability of composting for disposal of livestock mortalities due to Bacillus anthracis was assessed by measuring viability of surrogate spores from two strains each of Bacillus licheniformis and Bacillus thuringiensis after a heating cycle modelled on a cattle composting study.
Journal ArticleDOI
Sequential Feeding of Lipid Supplement Enriches Beef Adipose Tissues with 18:3n-3 Biohydrogenation Intermediates
Payam Vahmani,Jennifer L. Aalhus,David C. Rolland,Tim A. McAllister,Nuria Prieto,H. C. Block,Spencer D. Proctor,Le Luo Guan,Michael E. R. Dugan +8 more
TL;DR: The sequential feeding of lipid supplement can profoundly affect the enrichment of PUFA and their BHI in beef fat and their differentially enrichment is also fat depot dependant.
Journal ArticleDOI
Dietary oil rich in polyunsaturated fatty acids for ruminants: Post-ruminal digesta characteristics and their implications on production
TL;DR: There is merit in reviewing the feeding strategies that lead to increased viscosity and how its mitigation can be managed through inclusion of oil in ruminant diets.