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HERITABILITY ESTIMATES FOR SOME GROWTH TRAITS IN LOCAL GOATS | ||
| The Iraqi Journal of Agricultural Science | ||
| Article 1, Volume 36, Issue 1, 2005, Pages 185-187 | ||
| Abstract | ||
| ABSTRACT Records of 356 kids born during 1993-1995 at Agarguf Goat station, IPA Center for Agricultural Research were used to estimate the heritability of first, second, fourth, fifth, and ninth month of age. Components of variance for the random effects of mathematical model was estimated by the Restricted Maximum Likelihood procedure by using paternal half-sib method after adjusting the data for the fixed factors (year of birth, age of doe ,sex of kids, type of birth and weight of doe at kidding as covariate). Heritability estimates for 1St, 2nd, 4tH, 5th and 9th months of age ± standard error were 0.73 ± 0.18, 0.36± 0.08,0.20 ± 0.09, 0.17 ± 0.06 and 0.14 ± 0.14, respectively.The decrease in heritability estimates with the advancement of the age of kids may be explained on the basis that these animals were kept under less favourable conditions | ||
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