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Abstract

There is limited knowledge on the effect of barley silage (BS) with different ruminal in vitro neutral detergent fiber digestibility (ivNDFD) on dairy cow performance and chewing activity. The objective of this study was to assess the effects of BS varieties selected for varying rates of ivNDFD on...

Author(s)
Refat, B.; Christensen, D. A.; Mckinnon, J. J.; Prates, L. L.; Jayakrishnan Nair; Beattie, A. D.; Yang WenZhu; McAllister, T. A.; Yu PeiQiang
Publisher
NRC Research Press, Ottawa, Canada
Citation
Canadian Journal of Animal Science, 2018, 98, 1, pp 177-186
Abstract

Objective: The objectives were to assess the effects of purified lignin from wheat straw (sodium hydroxide dehydrated lignin; SHDL) on in vitro ruminal fermentation and on the growth performance of feedlot cattle. Methods: In vitro experiments were conducted by incubating a timothy-alfalfa (50:50)...

Author(s)
Wang YuXi; McAllister, T. A.; Lora, J. H.
Publisher
Asian-Australasian Association of Animal Production Societies, Seoul, Korea Republic
Citation
Asian-Australasian Journal of Animal Sciences, 2017, 30, 3, pp 392-399
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

Rate of barley starch digestion in the rumen is critical issue in high-grain fed beef cattle because it is associated with growth performance and health. The digestion rate of starch varies with variety, grain processing or starch content. The objectives of this study were to evaluate the effect of ...

Author(s)
Zhao YanLi; Yan SuMei; He ZhiXiong; Anele, U. Y.; Swift, M. L.; McAllister, T. A.; Yang WenZhu
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Animal Feed Science and Technology, 2016, 216, pp 121-128
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 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

In situ and in vitro experiments were conducted to evaluate the effect of forage conservation method on the chemical composition, ruminal degradation, and intestinal digestion of purple prairie clover (PPC), which was conserved as freeze-dried forage (FD), silage (SIL), or hay (Hay). In situ dry...

Author(s)
Huang, Q. Q.; Jin, L.; Xu, Z.; Acharya, S.; McAllister, T. A.; Hu, T. M.; Iwaasa, A.; Schellenberg, M.; Peng, K.; Wang, Y.
Publisher
NRC Research Press, Ottawa, Canada
Citation
Canadian Journal of Animal Science, 2016, 96, 4, pp 524-531
Abstract

Two groups of cattle were used to develop (model data set: 384 heifers, 228±22.7 kg BW, monitored over a 225-d feeding period) and to validate (naïve data set: 384 heifers, 322±34.7 kg BW, monitored over a 142-d feeding period) the use of feeding behavior pattern recognition techniques to predict...

Author(s)
Moya, D.; Silasi, R.; McAllister, T. A.; Genswein, B.; Crowe, T.; Marti, S.; Schwartzkopf-Genswein, K. S.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2015, 93, 7, pp 3623-3638
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

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