R. Z. Vaz, E. L. Azambuja Ribeiro, J. Restle, F. N. Vaz, P. S. Pacheco, e J. L. Moletta, “Productive efficiency of cows primiparous aberdeen angus of the body size and milk production levels ”, Biosci. J., vol. 32, nº 5, p. 1296–1304, out. 2016.