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Gene co-expression network analysis identifies porcine genes associated with variation in Salmonella shedding
Download2014
Plastow, G. S., Bearson, S. M. D., Arantes, A. S., Bao, H., Kommadath, A., Stothard, P., Guan, L. L., Tuggle, C. K.
Background Salmonella enterica serovar Typhimurium is a gram-negative bacterium that can colonise the gut of humans and several species of food producing farm animals to cause enteric or septicaemic salmonellosis. While many studies have looked into the host genetic response to Salmonella...
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Genetic parameters for production and feeding behaviour traits in crossbred steers fed a finishing diet at different ages
Download2013
Wang, Z., Nkrumah, D. J., Basarab, J. A., Durunna, O. N., Okine, E. K., Moore, S. S., Mujibi, F. D. N.
Because cattle can be raised postweaning under several feeding regimes, this study examined the consistency of phenotypic and genetic parameters of some production and feeding behaviour traits between two feeding periods that beef cattle received a finisher diet. Crossbred steers (n=851) were...
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Greenhouse gas emissions from calf- and yearling-fed beef production systems, with and without the use of growth promotants
Download2012
Baron, V. S, Aalhus, J. L., Basarab, J. A., López-Campos, Ó., Haugen-Kozyra, K., Okine, E. K.
A spring calving herd consisting of about 350 beef cows, 14–16 breeding bulls, 60 replacement heifers and 112 steers were used to compare the whole-farm GHG emissions among calf-fed vs. yearling-fed production systems with and without growth implants. Carbon footprint ranged from 11.63 to 13.22...
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2008
Kolbehdari, D., Stothard, P., Schnabel, R., Wang, Z., Marques, E., Taylor, J. F., Moore, S. S.
Background Linkage disequilibrium (LD) maps can provide a wealth of information on specific marker-phenotype relationships, especially in areas of the genome where positional candidate genes with similar functions are located. A recently published high resolution radiation hybrid map of bovine...
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High resolution radiation hybrid maps of bovine chromosome 19 and 29 and comparison with the bovine genome sequence assembly
Download2007
Murdoch, B., Wang, Z., Stothard, P., Womack, J. E., Mckay, S. D., Moore, S. S., Schiex, T., Prasad, A.
Background High resolution radiation hybrid (RH) maps can facilitate genome sequence assembly by correctly ordering genes and genetic markers along chromosomes. The objective of the present study was to generate high resolution RH maps of bovine chromosomes 19 (BTA19) and 29 (BTA29), and...
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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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Increasing gene discovery and coverage using RNA-seq of globin RNA reduced porcine blood samples
Download2014
Stothard, P., Fritz-Waters, E., Choi, I., Abrams, S. M., Kommadath, A., Hosseini, A., Plastow, G. S., Guan, L. L., Tuggle, C. K., Bao, H., Meng, Y., Lunney, J. K., Reecy, J. M., Sun, X.
Background Transcriptome analysis of porcine whole blood has several applications, which include deciphering genetic mechanisms for host responses to viral infection and vaccination. The abundance of alpha- and beta-globin transcripts in blood, however, impedes the ability to cost-effectively...
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MicroRNA Buffering and Altered Variance of Gene Expression in Response to Salmonella Infection
Download2014
Plastow, G. S., Bao, H., Kommadath, A., Guan, L. L., Tuggle, C. K., Stothard, P.
One potential role of miRNAs is to buffer variation in gene expression, although conflicting results have been reported. To investigate the buffering role of miRNAs in response to Salmonella infection in pigs, we sequenced miRNA and mRNA in whole blood from 15 pig samples before and after...
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Modification of beef quality through steer age at slaughter, breed cross and growth promotants
Download2012
Aalhus, J. L., Basarab, J. A., Girard, I., Bruce., H. L., Larsen, I. L.
A 23 factorial experiment tested the interactions of slaughter age (12–13 or 18–20 mo), growth implants use (Component E-S, TE-S), ractopamine hydrochloride (RAC) feed supplementation use and breed cross [Hereford–Aberdeen Angus (HAA) or Charolais–Red Angus (CRA)] on pH, temperature, objective...
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Modification of muscle inherent properties through age at slaughter, growth promotants and breed crosses
Download2011
Bruce., H. L., Aalhus, J. L., Larsen, I. L., Girard, I., Basarab, J. A.
A 24 factorial experiment tested the interactions of slaughter age (12–13 or 18–20 mo), growth hormone use, β-adrenergic agonist (β-AA) use and breed cross [Hereford–Aberdeen Angus (HAA) or Charolais–Red Angus (CRA)] on the composition, fibre types, and connective tissue characteristics of m....