Genetic and non-genetic effects on calf vigor at birth and preweaning mortality in Nellore calves

Genetic and non-genetic effects on calf vigor at birth and preweaning mortality in Nellore calves

The objective of the present study was to evaluate the genetic and non-genetic effects that influence vigor at birth and preweaning mortality in Nellore calves. A total of 11,727 records of births that occurred between 1978 and 2006, offspring of 363 sires, were analyzed. Poor calf vigor at birth (V...

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Bibliographic Details
Main Authors: Anita Schmidek, Mateus José Rodrigues Paranhos da Costa, Maria Eugênia Zerlotti Mercadante, Luciandra Macedo de Toledo, Joslaine Noely dos Santos Gonçalves Cyrillo, Renata Helena Branco
Format: Article
Language:English
Published: Sociedade Brasileira de Zootecnia 2013-06-01
Series:Revista Brasileira de Zootecnia
Subjects:
animal welfare
beef cattle
calf mortality
genetic improvement
risk factor
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000600006

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http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000600006

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