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Abstract

There is a need to develop simple ways of quantifying and estimating CH4 production in cattle. Our aim was to evaluate the relationship between CH4 production and milk fatty acid (FA) profile in order to use milk FA profiles to predict CH4 production in dairy cattle. Data from 3 experiments with...

Author(s)
Dijkstra, J.; Zijderveld, S. M. van; Apajalahti, J. A.; Bannink, A.; Gerrits, W. J. J.; Newbold, J. R.; Perdok, H. B.; Berends, H.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Feed Science and Technology, 2011, 166/167, pp 590-595
Abstract

We hypothesized that inoculating the rumen of beef cattle with rumen contents of bison and supplementing with exogenous fibrolytic enzymes (FE) would improve ruminal feed digestibility by enhancing microbiome activity in the rumen. The objectives of this study were to evaluate the effects of...

Author(s)
He, Z. X.; Ribeiro, G. O.; Beauchemin, K. A.; McAllister, T. A.; Yang, W. Z.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Animal Feed Science and Technology, 2019, 248, pp 37-46
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 objectives of this study were to evaluate the relationship between residual feed intake (RFI; g/d) and enteric methane (CH4) production (g/kg DM) and to compare CH4 and carbon dioxide (CO2) emissions measured using respiration chambers (RC) and the GreenFeed emission monitoring (GEM) system...

Author(s)
Alemu, A. W.; Vyas, D.; Manafiazar, G.; Basarab, J. A.; Beauchemin, K. A.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2017, 95, 8, pp 3727-3737
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

The protocol for the National Inventory of agricultural greenhouse gas emissions in The Netherlands includes a dynamic and mechanistic model of animal digestion and fermentation as an Intergovernmental Panel on Climate Change (IPCC) Tier 3 approach to estimate enteric CH4 emission by dairy cows....

Author(s)
Bannink, A.; Schijndel, M. W. van; Dijkstra, J.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Feed Science and Technology, 2011, 166/167, pp 603-618
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

There are limited data in the literature concerning in vivo effects of dietary fat supplementation on enteric CH4 emissions from lactating dairy cows. The purpose of this experiment was to evaluate four dietary treatments designated as control (CON), brewers grains (BG), hominy meal and...

Author(s)
Moate, P. J.; Williams, S. R. O.; Grainger, C.; Hannah, M. C.; Ponnampalam, E. N.; Eckard, R. J.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Animal Feed Science and Technology, 2011, 166/167, pp 254-264
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

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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