Resumo

OSSA S, Gustavo; SUAREZ T, Marco  e  PEREZ G, Juan. ENVIROMENTAL AND GENETIC ASPETS OF BIRTH WEIGHT IN NATIVE CATTLE OF COLOMBIA. Rev.MVZ Cordoba [online]. 2005, vol.10, n.1, pp.564-572. ISSN 0122-0268.

Between 1980 and 2001, data from 1877 birth weights from native cattle of Colombia (Romosinuano), born 1980 - 2001, were analyzed (P < 0,0001). The average birth weight of males and females were 31,46 kg and 29,80 kg, respectively . The Estimate heritably from direct and maternal effects was: 0,17 ± 0,06 and 0,087 ± 0,03, respectively.

Palavras-chave : Heredity; environment; birth weight; Romosinuano; Colombian native cattle.

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