Malhado, C. H. M.; Lôbo, R. N. B.; Martins Filho, R.; Facó, O.; Azevedo, D. M. M. R. Effect of the Covariance Between Maternal and Direct Effects on the Analyses for the Traits Days to Gain 160 Kg. Braz. J. Vet. Res. Anim. Sci. 2004, 41 (1), 14-19. https://doi.org/10.1590/S1413-95962004000100003.