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Abstract

Universally applicable empirical equations specific for high- and low-forage diets were developed to improve the prediction of enteric methane production (eCH4) from beef cattle. A database built using treatment means from published beef studies conducted in numerous countries was divided into two...

Author(s)
Escobar-Bahamondes, P.; Oba, M.; Beauchemin, K. A.
Publisher
NRC Research Press, Ottawa, Canada
Citation
Canadian Journal of Animal Science, 2017, 97, 1, pp 83-94
Abstract

Fecal nutrients and apparent total tract digestibility (ATTD) were predicted using near-infrared spectroscopy (NIRS) of feces collected from the pen floor or the rectum of feedlot cattle in 2 studies, and pen floor samples were assessed for their ability to predict NEg, ADG, and G:F. In study 1,...

Author(s)
Jancewicz, L. J.; Penner, G. B.; Swift, M. L.; Waldner, C. L.; Koenig, K. M.; Beauchemin, K. A.; McAllister, T. A.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2017, 95, 1, pp 455-474
Abstract

Two experiments were conducted to investigate the effects of adding gallic acid (GA) to ruminant diets on long- and short-term in vitro rumen fermentation and methane (CH4) production, and to test possible interactions between GA and ethanol on fermentation. The first experiment was conducted using ...

Author(s)
Wei, C.; Guyader, J.; Collazos, L.; Beauchemin, K. A.; Zhao, G. Y.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2019, 59, 2, pp 277-287
Abstract

Wheat is the most common concentrate fed to dairy cows in Australia, but few studies have examined the effects of wheat feeding on enteric methane emissions, and no studies have compared the relative potencies of wheat, corn, and barley for their effects on enteric methane production. In this 35-d...

Author(s)
Moate, P. J.; Williams, S. R. O.; Jacobs, J. L.; Hannah, M. C.; Beauchemin, K. A.; Eckard, R. J.; Wales, W. J.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 9, pp 7139-7153
Abstract

It was hypothesized that differences in starch degradability account for observed differences in rumen vaccenic acid (t11-18:1) and milk rumenic acid (RA) concentrations. To test this hypothesis, starch degradability was varied through grain source and by processing. Eight Holstein cows in...

Author(s)
Mohammed, R.; Kennelly, J. J.; Kramer, J. K. G.; Beauchemin, K. A.; Stanton, C. S.; Murphy, J. J.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2010, 4, 8, pp 1425-1444

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