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Veterinary information to support practice, based on evidence and continuing education

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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

The objective of this study was to conduct a life-cycle assessment (LCA) of greenhouse gas (GHG) emissions from a typical nongrazing dairy production system in Eastern Canada. Additionally, as dairying generates both milk and meat, this study assessed several methods of allocating emissions between ...

Author(s)
McGeough, E. J.; Little, S. M.; Janzen, H. H.; McAllister, T. A.; McGinn, S. M.; Beauchemin, K. A.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2012, 95, 9, pp 5164-5175
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