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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

Emissions of CH4 methane from beef cattle grazing pastures characteristic of northern Australia are yet to be reliably quantified. Poor quality pastures and low animal productivity are typically associated with high CH4 emissions/unit animal product. Our study reports two independent methodologies...

Author(s)
Tomkins, N. W.; McGinn, S. M.; Turner, D. A.; Charmley, E.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Feed Science and Technology, 2011, 166/167, pp 240-247
Abstract

Anthropogenic CH4 emissions are widely recognised as a world wide problem due to their global warming potential and because they represent a loss of dietary energy to ruminants. Few recent studies have examined medium or long term effects of methanogen inhibitors on rumen functional parameters and...

Author(s)
Knight, T.; Ronimus, R. S.; Dey, D.; Tootill, C.; Naylor, G.; Evans, P.; Molano, G.; Smith, A.; Tavendale, M.; Pinares-Patiño, C. S.; Clark, H.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Feed Science and Technology, 2011, 166/167, pp 101-112
Abstract

Direct-fed microbials (DFM) have been employed in ruminant production for over 30 yr. Originally, DFM were used primarily in young ruminants to accelerate establishment of the intestinal microflora involved in feed digestion and to promote gut health. Further advancements led to more sophisticated...

Author(s)
McAllister, T. A.; Beauchemin, K. A.; Alazzeh, A. Y.; Baah, J.; Teather, R. M.; Stanford, K.
Publisher
Agricultural Institute of Canada, Ottawa, Canada
Citation
Canadian Journal of Animal Science, 2011, 91, 2, pp 193-211

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