Influence of weaning age on the reproductive efficiency of primiparous cows Influência da idade de desmame na eficiência reprodutiva de vacas primíparas

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 br...

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Bibliographic Details
Main Authors: Ricardo Zambarda Vaz, José Fernando Piva Lobato, João Restle
Format: Article
Language:English
Published: Sociedade Brasileira de Zootecnia 2010-02-01
Series:Revista Brasileira de Zootecnia
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010000200011