Filho, G. N. J.; Verneque, R. da S.; Lemos, Á. de M.; da Silva, H. C. M.; Reis, R. B. Physiological and Environmental Effects on First Calving Age in Milking Crossbred Cows of the Production System at the CNPGL Embrapa. PAB 1992, 27 (1), 143-151. https://doi.org/10.1590/S1678-3921.pab1992.v27.3629.