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Skip to Search Results- 27Beef cattle
- 8Residual feed intake
- 6Dairy cattle
- 6Feed efficiency
- 5Single nucleotide polymorphisms
- 4Carcass merit
- 20Graduate and Postdoctoral Studies (GPS), Faculty of
- 20Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 17Roy Berg Kinsella Research Ranch
- 17Roy Berg Kinsella Research Ranch/Journal Articles (Kinsella Ranch)
- 1Biological Sciences, Department of
- 1Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 2Wang, Zhiquan (Agricultural, Food and Nutritional Science)
- 1Ambrose, Divakar J (Department of Agricultural, Food and Nutritional Science)
- 1Beauchemin, Karen (Agriculture & Agri-Food Canada - Department of Agricultural, Food and Nutritional Science [Adj.])
- 1Debra J. Davidson (Resource Economics and Environmental Sociology)
- 1Dr. Erasmus K. Okine, Agricultural, Food and Nutritional Science, University of Alberta/ Dr. Tim A. McAllister, Agriculture and Agri-Food Canada, Lethbridge and Agricultural, Food and Nutritional Science, University of Alberta
- 1Graham, Plastow (Agricultural, Food, and Nutritional Science)
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Characterization and evaluation of residual feed intake measured in mid- to late-gestation mature beef cows and relationships with circulating serum metabolites and linear body measurements
Download2014
Miller, S. P., Swanson, K. C., Wood, K. M., Montanholi, Y. R., Fitzsimmons, C. F, McBride, B. W.
To evaluate the use of residual feed intake (RFI) models measured in mid-to-late gestating beef cows, a dataset was used combining data from five experiments containing nine treatment and/or replicate groups for a total of 321 animal records. Investigations of RFI models included the effects of...
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2009
Aalhus, J.L. , Basarab, J.A. , Stewart-Smith, J. , Wang, Z, Goonewardene, L.A. , Price, M.A. , Seneviratne, R.W. , Okine, E.K.
Beef composites (C) have combined favourable traits of pure breeds. The objective was to compare the growth rates (GR) of muscle (M) and fat (F) in the primal cuts of serially harvested Beefbooster® C types (SM = C of small breeds, AH = C of Angus and Hereford and GLC = C with Gelbvieh, Limousin...
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Contribution of the Rumen Epithelial Transcriptome and Microbial Community to Variation in Beef Cattle Feed Efficiency
DownloadSpring 2016
Feed efficient cattle consume less feed and produce less environmental waste than inefficient cattle. Many factors are known to contribute to differences in feed efficiency. However, it is unknown how the rumen epithelium and its associated microorganisms influence the feed efficiency of cattle....
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Developing a genome-wide selection model for genetic improvement of residual feed intake and carcass merit in a beef cattle breeding program
Download2012
Lai, S., Plastow, G., Zeng, Z., Li, X., Ma, J., Tang, G., Moore, S., Wang, Z.
Residual feed intake (RFI) and carcass merit (CM) are both complex traits emerging as critical targets for beef genetic improvement. RFI and CM traits are difficult and expensive to measure and genetic improvement for these traits through traditional selection methods is not very effective....
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Effect of dried distillers’ grains with solubles on greenhouse gas emissions from beef cattle
DownloadSpring 2014
Four experiments were conducted to determine the impact of dried distillers’ grains with solubles (DDGS) on greenhouse gas (GHG) emissions from beef cattle. The first compared in vitro methane (CH4) production from corn DDGS (CDDGS, ~30% crude protein [CP]) and wheat DDGS (WDDGS, ~40% CP dry...
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Effects of Selection for Low Residual Feed Intake on Meat Quality of Major Muscles from Angus, Charolais and Kinsella Composite Cattle
DownloadFall 2017
Residual feed intake (RFI) is a measure of animal feeding efficiency. Selection of high feed efficient cattle using RFI does not affect production performance; low RFI animals consume less feed to reach a similar body weight gain as high RFI animals and thus are considered as feed efficient...
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2006
Wilson, A.J., Pemberton, J.M., Coltman, D.W., Kruuk, L.E.B., Pilkington, J.G., Mifsud, D.V., Clutton-Brock, T.H.
There has recently been great interest in applying theoretical quantitative genetic models to empirical studies of evolution in wild populations. However, while classical models assume environmental constancy, most natural populations exist in variable environments. Here, we applied a novel...
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Estimation of genetic and phenotypic parameters for ultrasound and carcass merit traits in crossbred beef cattle
Download2014
Bruce, H. L., Plastow, G. S., Moore, S. S., Wang, Z., Nkrumah, D., Miar, Y., Durunna, O.
Ultrasound measurements of 852 crossbred steers along with carcass merit measurements on 756 of them were used to examine their genetic and phenotypic parameters. Traits including ultrasound backfat thickness (UBF), ultrasound ribeye area (UREA), ultrasound marbling (UMAR), carcass weight (CWT),...
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Fall 2009
Bovine Spongiform Encephalopathy (BSE) belongs to a group of neurodegenerative diseases known as transmissible spongiform encephalopathies (TSEs) which affect many species. From 1986 more than 184,000 cattle in the UK have been confirmed to be infected with this disease, and in Canada total...