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Estimation of genetic parameter for carcass traits in commercial Hanwoo steer
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 Title & Authors
Estimation of genetic parameter for carcass traits in commercial Hanwoo steer
Lee, Yoonseok; Lee, Jea Young;
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 Abstract
The aim of study was to estimate genetic parameter of carcass traits in commercial Hanwoo steer using national animal model for selection of superior bull. Analyzed data (n=5,843) on carcass traits was collected from 107,020 Hanwoo steer. The animal model was used to estimate heritability and genetic correlations. The estimated heritability of carcass traits were 0.19, 0.17, 0.20 and 0.23 for carcass weight, eye muscle area, backfat thickness and marbling score, respectively. The estimated heritability for carcass traits in commercial Hanwoo are low than estimated heritability of national progeny test population for selection of superior bull because breeding environment, genetic performance of cow and feeding day was different. Therefore, we suggests that animal model can include practical genetic variable based on national animal model to improve genetic performance in commercial Hanwoo.
 Keywords
Animal model;carcass traits;Hanwoo;heritability;genetic parameter;
 Language
Korean
 Cited by
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