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Evaluation of Genome Based Estimated Breeding Values for Meat Quality in a Berkshire Population Using High Density Single Nucleotide Polymorphism Chips
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  • Evaluation of Genome Based Estimated Breeding Values for Meat Quality in a Berkshire Population Using High Density Single Nucleotide Polymorphism Chips
  • Evaluation of Genome Based Estimated Breeding Values for Meat Quality in a Berkshire Population Using High Density Single Nucleotide Polymorphism Chips
저자명
Baby. S.,Hyeong. K.E.,Lee. Y.M.,Jung. J.H.,Oh. D.Y.,Nam. K.C.,Kim. T.H.,Lee. H.K.,Kim. Jong-Joo
간행물명
Asian-Australasian journal of animal sciences
권/호정보
2014년|27권 11호|pp.1540-1547 (8 pages)
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아세아태평양축산학회
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정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

The accuracy of genomic estimated breeding values (GEBV) was evaluated for sixteen meat quality traits in a Berkshire population (n = 1,191) that was collected from Dasan breeding farm, Namwon, Korea. The animals were genotyped with the Illumina porcine 62 K single nucleotide polymorphism (SNP) bead chips, in which a set of 36,605 SNPs were available after quality control tests. Two methods were applied to evaluate GEBV accuracies, i.e. genome based linear unbiased prediction method (GBLUP) and Bayes B, using ASREML 3.0 and Gensel 4.0 software, respectively. The traits composed different sets of training (both genotypes and phenotypes) and testing (genotypes only) data. Under the GBLUP model, the GEBV accuracies for the training data ranged from $0.42{pm}0.08$ for collagen to $0.75{pm}0.02$ for water holding capacity with an average of $0.65{pm}0.04$ across all the traits. Under the Bayes B model, the GEBV accuracy ranged from $0.10{pm}0.14$ for National Pork Producers Council (NPCC) marbling score to $0.76{pm}0.04$ for drip loss, with an average of $0.49{pm}0.10$. For the testing samples, the GEBV accuracy had an average of $0.46{pm}0.10$ under the GBLUP model, ranging from $0.20{pm}0.18$ for protein to $0.65{pm}0.06$ for drip loss. Under the Bayes B model, the GEBV accuracy ranged from $0.04{pm}0.09$ for NPCC marbling score to $0.72{pm}0.05$ for drip loss with an average of $0.38{pm}0.13$. The GEBV accuracy increased with the size of the training data and heritability. In general, the GEBV accuracies under the Bayes B model were lower than under the GBLUP model, especially when the training sample size was small. Our results suggest that a much greater training sample size is needed to get better GEBV accuracies for the testing samples.