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Dominant Red Coat Color in Holstein Cattle Is Associated with a Missense Mutation in the Coatomer Protein Complex, Subunit Alpha (COPA) Gene
Download2015
Sällman Almén, M., Liao, X., Stothard, P., Henegar, C., Van Doormaal, B., Rubin, C. -J., Andersson, L., Barsh, G. S., Ito, S., Plastow, G., Wakamatsu, K., Dorshorst, B.
Coat color in Holstein dairy cattle is primarily controlled by the melanocortin 1 receptor (MC1R) gene, a central determinant of black (eumelanin) vs. red/brown pheomelanin synthesis across animal species. The major MC1R alleles in Holsteins are Dominant Black (MC1RD) and Recessive Red (MC1Re). A...
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2011
Plastow, G., Durunna, O. N., Stothard, P., Mujibi, F. D. N., Moore, S. S., Wang, Z., Basarab, J. A., Nkrumah, D. J., Crews Jr, D. H., Mah, J.
The benefit of using genomic breeding values (GEBV) in predicting ADG, DMI, and residual feed intake for an admixed population was investigated. Phenotypic data consisting of individual daily feed intake measurements for 721 beef cattle steers tested over 5 yr was available for analysis. The...
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An Assessment of Population Structure in Eight Breeds of Cattle Using a Whole Genome SNP Panel
Download2008
Schnabel, R. D., Wang, Z., Taylor, J. F., Gill, C. A., Van Tassell, C. P., Gao, C., Aerts, J., Williams, J. L., Neto, E. D., Murdoch, B. M., Matukumalli, L. K., Coppieters, W., McKay, S. D., Mannenl, H., Crews, D., Moore, S. S.
Background Analyses of population structure and breed diversity have provided insight into the origin and evolution of cattle. Previously, these studies have used a low density of microsatellite markers, however, with the large number of single nucleotide polymorphism markers that are now...
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Proteome differences associated with fat accumulation in bovine subcutaneous adipose tissues
Download2010
Basu, U., Guan, L., Dodson, M. V., Zhao, Y. M., Basarab, J. A.
Background The fat components of red meat products have been of interest to researchers due to the health aspects of excess fat consumption by humans. We hypothesized that differences in protein expression have an impact on adipose tissue formation during beef cattle development and growth....
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2007
Schnabel, R. D., Wang, Z., Mannenl, H., Gill, C. A., Van Tassell, C. P., Gao, C., Aerts, J., Williams, J. L., Neto, E. D., Moore, S. S., Matukumalli, L. K., Coppieters, W., McKay, S. D., Taylor, J. F., Crews, D., Murdoch, B. M.
Background Bovine whole genome linkage disequilibrium maps were constructed for eight breeds of cattle. These data provide fundamental information concerning bovine genome organization which will allow the design of studies to associate genetic variation with economically important traits and...
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Subcutaneous fatty acid composition of steers finished as weanlings or yearlings with and without growth promotants
Download2013
Baron, V. S., Aalhus, J. L., Turner, T. D., Dugan, M. E. R., Mapiye, C., Basarab, J. A.
Background The current study evaluated the subcutaneous fatty acid (FA) composition of calf- and yearling-fed steers with or without growth promoting implants. Crossbred steers (n = 112; 267 ± 5.0 kg) of the same contemporary group were allocated to one of four production system and implant...
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2010
Clawson,M. L., Wang, Z., Stothard, P., McKay, S., Laegreid, W. W., Williams J. L., Murdoch, B. M., Settles, M., Moore, S. S., Prasad, A.
Background Classical bovine spongiform encephalopathy (BSE) is an acquired prion disease that is invariably fatal in cattle and has been implicated as a significant human health risk. Polymorphisms that alter the prion protein of sheep or humans have been associated with variations in...
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Identification of a putative quantitative trait nucleotide in guanylate binding protein 5 for host response to PRRS virus infection
Download2015
Choi, I., Guan, L., Plastow, G. S., Liu, P., Koltes, J. E., Loyd, H., Boddicker, N. J., Eisley, C. J., Schroyen, M., Bao, H., Dekkers, J. C. M., Kommadath, A., Abrams, S. M., Reecy, J. M., Rowland, R. R. R., Serão, N. V. L., Lunney, J. K., Carpenter, S., Stothard, P., Fritz-Waters, E., Tuggle, C. K.
Background Previously, we identified a major quantitative trait locus (QTL) for host response to Porcine Respiratory and Reproductive Syndrome virus (PRRSV) infection in high linkage disequilibrium (LD) with SNP rs80800372 on Sus scrofa chromosome 4 (SSC4). Results Within this QTL,...
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2004
Fu, A., Li, C., Moore, S. S., Dixon, W. T., Hansen, C., Christopherson, R.
Adipogenesis is of significant relevance from an agricultural perspective. Traits such as subcutaneous fat thickness, marbling and waste fat are of substantial economic importance in animal production. In order to discover more about the genetic basis of this process, a study was undertaken to...
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Effects of production system and growth promotants on the physiological maturity scores in steers
Download2014
Aalhus, J. L., Basarab, J. A., N. Prieto, I. L., López-Campos, Ó., Larsen, M.
Over a 2-yr period, 224 crossbred steers were allotted to a 2×2×2 factorial arrangement of treatments to determine the effect of the production system (calf-fed vs. yearling-fed), growth implant strategy (non-implanted vs. implanted) and β-agonist supplementation (no ractopamine vs. ractopamine)...