Leite, P. R. de M.; Bellido, M. M.; Paca, F. R.; Santos, E. S. dos. Factors Influencing Gestation Length and Calving Interval of Gir Cows under Northeast Brazil Conditions. PAB 2014, 21 (1), 87-92. https://doi.org/10.1590/S1678-3921.pab1986.v21.14664.