Authors
Y Miar, GS Plastow, SS Moore, G Manafiazar, P Charagu, RA Kemp, B Van Haandel, AE Huisman, CY Zhang, RM McKay, HL Bruce, Z Wang
Publication date
2014/4/28
Journal
Journal of animal science
Volume
92
Pages
2869-2884
Publisher
American Society of Animal Science
Description
Pork quality and carcass characteristics are now being integrated into swine breeding objectives because of their economic value. Understanding the genetic basis for these traits is necessary for this to be accomplished. The objective of this study was to estimate phenotypic and genetic parameters for carcass and meat quality traits in 2 Canadian swine populations. Data from a genomic selection study aimed at improving meat quality with a mating system involving hybrid Landrace × Large White and Duroc pigs were used to estimate heritabilities and phenotypic and genetic correlations among them. Data on 2,100 commercial crossbred pigs for meat quality and carcass traits were recorded with pedigrees compromising 9,439 animals over 15 generations. Significant fixed effects (company, sex, and slaughter batch), covariates (cold carcass weight and slaughter age), and random additive and common litter …
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