Abstract
Characterization of indigenous animal genetic resources is a first step in providing much needed information for the conservation and utilization of useful genotypes for future needs. The study was undertaken to estimate heritability of traits of economic importance in local chicken populations from the forest and savannah zones of Ghana. A restricted maximum likelihood animal model was applied to growth data of local chickens from hatch to 40 weeks to estimate heritability, phenotypic and genotypic correlations of body weight and shank length. Heritability, phenotypic and genotypic correlations were also calculated for egg number and egg weight. High genetic and phenotypic correlations were obtained between body weight and shank length. Average heritability estimates were 0.54, 0.42, 0.30 and 0.47 for body weight, shank length, egg number and egg weight, respectively. These moderate-to-high heritability estimates indicate that these traits could be targeted in genetic improvement programmes for local chickens.
Published Version
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