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Records on birth weight and pre-weaning growth of 3959 Boran calves, which were progeny of 51 sires and 979 dams, were analysed by least-squares analysis of variance. The vaiance components for sires, dams and maternal grandsires were estimated from the data. On the basis of assumed genetic corre...


Arnason, T.Kassa-Mersha, H.[Genetic parameters of growth of Ethiopian Boran cattle]Genetic parameters of growth of Ethiopian Boran cattle

It is well accepted that the growth rate of beef animals affects the economic returns of commercial ranchers. The aim of this study was therefore to investigate the effects of certain environmental factors on the birth weight and growth in a herd of Boran cattle bred at the Adamitulu cattle Impro...


Kassa-Mersha, H.Arnason, T.[Non-genetic factors affecting growth of Ethiopian Boran cattle]Non-genetic factors affecting growth of Ethiopian Boran cattle

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