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	Provedor de dados R. Bras. Zootec. (1) Autor Lobato,José Fernando Piva (1) Restle,João (1) Vaz,Ricardo Zambarda (1) Palavra-chave Body condition (1) Early weaning (1) Heifers (1) Pregnancy rate (1) Weaning age (1) Weight gain (1) Mais... Tipo do documento Info:eu-repo/semantics/article (1) Ano 2010 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Influence of weaning age on the reproductive efficiency of primiparous cows R. Bras. Zootec. Vaz,Ricardo Zambarda; Lobato,José Fernando Piva; Restle,João. The effects of weaning age (90 days or 156 days) of female beef calves were evaluated on their subsequent performance from the beginning of the first pregnancy and the end of the second breeding season, at 22/24 months of age. During pregnancy, heifers were managed as a single group on Brachiaria brizantha cv. Marandu pasture; after calving, on bristle oats (Avena strigosa Schreb) and ryegrass (Lolium multiflorum Lam.); and on Brachiaria humidicula pasture during the second reproductive period. The characteristics studied were not influenced by calf weaning age. Heifers submitted to early or conventional weaning weighed 354.5 and 351.9 kg in the post-calving, and 363.4 and 359.2 kg when they weaned their calves. Average daily gain during the breeding... Tipo: Info:eu-repo/semantics/article Palavras-chave: Body condition; Early weaning; Heifers; Pregnancy rate; Weaning age; Weight gain. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010000200011 Registros recuperados: 1 Primeira ... 1 ... Última

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