Abstract
A study was conducted to estimate genetic parameters for litter traits in grasscutters. Data were obtained using 209 progenies from an unbalanced design of 18 does nested under six bucks. Heritability values of 0.56 ± 0.21 and 0.22 ± 0.22 were obtained for litter weight at birth from dam component and both sire and dam components, respectively. For litter weight at weaning, the heritability estimate was 0.66 ± 0.22 using the dam component of variance. Genetic correlation between litter weight at birth and litter weight at weaning was 0.59 revealing a positive relationship between both traits.
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