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Arquivo Brasileiro de Medicina Veterinária e Zootecnia

Print version ISSN 0102-0935On-line version ISSN 1678-4162


PAULA, M.G.; FERRAZ, J.B.S.  and  ELER, J.P.. Genetic parameters for Californian rabbits raised in Brazil. Arq. Bras. Med. Vet. Zootec. [online]. 2000, vol.52, n.5, pp.544-548. ISSN 0102-0935.

Genetic, phenotypic and environmental parameters of a population of Californian rabbits submitted to selection for three generations were studied. Traits analyzed were individual weaning weight (PD), weight at 10 weeks (P10) and average daily gain from weaning to 10 weeks of age (GPD10) using 3,249 records of weights of rabbits and pedigree information of 4,857 animals, born from 1980 to 1996, and selected based on an index of estimated breeding values for PD, P10 and GPD10. Permanent effects of litters were as important as additive genetic effects. Heritabilities for the three traits were .23 (PD), .44 (P10) and .39 (GPD10). Genetic correlations between PD and P10 and between PD and GPD10 were high (.66) and very low, respectively.

Keywords : Rabbit; animal model; genetic parameter; mixed model.

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