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Animal Science Database

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Abstract

For 1736 Nellore calves in Brazil, body weight at birth and weaning averaged 29.10±0.31 and 154.0±2.4 kg resp. Herd, sire within herd, sex of calf, the contemporary group effect (based on season and year of calving, and management) and age of dam all had a highly significant effect on birth weight, ...

Author(s)
Cardellino, R. A.; Castro, L. F. S.
Citation
Revista da Sociedade Brasileira de Zootecnia, 1987, 16, 1, pp 14-27
Abstract

Preweaning data on 2856 calves covering a 14-yr period in 3 breed groups of range beef cattle were analysed for birth weight, weaning weight and preweaning av. daily gain. The cattle were Hereford, Beef Synthetic (BS; a closed population with approx. 37% Aberdeen-Angus (AA), 34% Charolais, 21%...

Author(s)
Ahunu, B.; Makarechian, M.
Citation
Canadian Journal of Animal Science, 1986, 66, 2, pp 381-388