EVALUATION of HYPOTHALAMIC-PITUITARY RESPONSIVENESS DURING THE POSTPARTUM NELLORE COWS - Pinheiro, V. G. [UNESP]; Cury, J. R. L. M. [UNESP]; Satrapa, R. A. [UNESP]; Pegorer, M. F. [UNESP]; Barros, C. M. [UNESP] (CSIRO Publishing, 2012)