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Data on 2550 Nellore calves, born in 4 herds in Brazil in 1975-1980, were analysed. Based on paternal half-sib correlations, the h2s of birth weight, weaning weight (corrected to 205 days), preweaning daily gain and the relationship of weaning weight with the herd average were 0.28±0.06, 0.28±0.06, ...

Cardellino, R. A.; Castro, L. F. S.
Revista da Sociedade Brasileira de Zootecnia, 1987, 16, 1, pp 28-39

Data on 4538 litters from 1236 Landrace sows in Brazil were analysed. The heritability of piglet mortality to 21 days of age was 0.069, and the repeatability was 0.073. The genetic correlations of total litter size with the incidence of stillbirths and mortality to 21 days were 0.51 and 0.38...

Siewerdt, F.; Cardellino, R. A.
Revista da Sociedade Brasileira de Zootecnia, 1996, 25, 5, pp 902-909