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Canellas,Leonardo Canali; Barcellos,Júlio Otávio Jardim; Nunes,Luciana Neves; Oliveira,Tamara Esteves de; Prates,Ênio Rosa; Darde,Daniel Chamorro. |
The objective of this study was to evaluate, using meta-analysis, the main factors related to post-weaning body weight and weight gain that affect pregnancy rate of heifers bred at 18 months of age. Data of 1398 beef heifers from six experiments were analyzed as a set. Information related to methodology and results of each experiment were codified in Microsoft Excel spreadsheets. The independent variables analyzed were: body weight at seven months of age (BW7M), daily weight gain from seven to 12 months (DWG7-12), body weight at 12 months of age (BW12M), daily weight gain from 12 to 15 months (DWG12-15), body weight at 15 months of age (BW15M), daily weight gain from 15 to 18 months (DWG15-18), daily weight gain from 7 to 18 months (DWG7-18) and body... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Body weight; Mating; Yearling. |
Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000700011 |
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