EFFECT OF SEVERAL STRUCTURES OF CONTEMPORARY GROUPS ON ESTIMATES OF (CO)VARIANCE AND GENETIC PARAMETERS FOR WEANING WEIGHT IN NELLORE CATTLE

We used actual and adjusted weights to 120 d and 210 d of age of 72,731 male and female Nellore calves born in 40 PMGRN - Nellore Brazil herds from 1985 to 2005 aiming to compare the effect of different definitions of contemporary groups on estimates of (co)variance and genetic parameters. Four mod...

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Bibliographic Details
Main Authors: Lillian Pascoa, Arcadio de los Reyes, Mauricio A. Elzo, Jorge Luiz Ferreira, Luiz A.F. Bezerra, Raysildo Barbosa Lobo
Format: Article
Language:English
Published: Universidade Federal de Goiás 2013-06-01
Series:Ciência Animal Brasileira
Subjects:
Online Access:http://www.revistas.ufg.br/index.php/vet/article/view/13571/14511