Livest. Sci. Livest. Sci. Censored Bayesian models for genetic evaluation of age at first calving in Brazilian Brahman cattle Lázaro S.F. Varona L. Universidad de Zaragoza Fonseca e Silva F. Ventura H.T. Veroneze R. Brito L.C. Costa E.V. Lopes P.S. 2018 research-article