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Archivos de Zootecnia
versión On-line ISSN 1885-4494versión impresa ISSN 0004-0592
Resumen
MADUREIRA, A.P. et al. Bayesian inference to predict genetic values for 365 days weight in simmental, nellore and canchim cattle breeds. Arch. zootec. [online]. 2009, vol.58, n.222, pp.265-275. ISSN 1885-4494.
Data from purebred Simmental, Nellore and Canchim cattle breeds obtained from the respective Brazilian Associations of Breeders were used to estimate variance components and to predict genetic values for 365 days weight. The results obtained by Bayesian inference were compared to those from Restricted Maximum Likelihood (REML) and Best Linear Unbiased Prediction (BLUP), which are the most commonly used methods of estimation and prediction in animal breeding. The two methods presented similar point estimates but the study of the marginal posterior distributions in the Bayesian approach yields more detailed information about the parameters and other unknowns in the model.
Palabras clave : Animal model; Beef cattle; Growth traits; Genetic parameters; Gibbs sampling.