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Genetic and phenotypic parameters of carcass traits of swine



Genetic and phenotypic parameters of carcass traits of swine



Revista da Sociedade Brasileira de Zootecnia 22(4): 624-633



Data from 312 Large White barrows collected during the period from 1989 to 1991 were analysed in order to estimate genetic and phenotypic parameters of carcass traits, as well as to evaluate the correlations among traits in dissected carcasses (Meat and Livestock Commission - MLC) and the Brazilian Carcass Classification Methods (BCCM). Least square analysis was utilized in order to estimate heritability, genetic and phenotypic correlations by full-sibs correlation. It was concluded that: 1 carcass trait heritability was a good parameter for measuring genetic progress in individual selection; 2 - there is a high genetic correlation among carcass traits measured by BCCM and those of dissected carcasses by MLC; 3 - carcass length showed low correlation in relation to other carcass traits; 4 - P-2 measure was a good carcass trait to predict the amount of lean carcass due to a high correlation with the ham yield (HY); 5 - HY was considered the best estimator to explain the amount of lean cuts in the carcass.

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Accession: 008725616

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