Weaning weights and yearling weights are economical characteristics of production to be used as selection criteria in animal. The study aimed to evaluate selection response of weaning weight and yearling weights directly and to evaluate selection response of yearling weights indirectly through weaning weights. A total of 190 data from 23 sires and 133 dams were used to estimate the heritability of weaning weights. Data to estimate heritability of yearling weights were about 231 data from 20 sires and 101 dams. Data to estimate genetic correlation between weaning weights and yearling weights were about 194 data from 26 sires and 125 dams. The heritability was estimated by using a variance analysis of paternal half-sib correlation. The results showed that heritability of weaning weights and yearling weights were 0.63±0.291 and 0.68±0.342, respectively. The genetic correlation between weaning weights and yearling weights was 0.78. The fewer proportions of animal that selection for, the higher selection response for weaning weights and yearling weights both directly and indirectly selection.
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