Plasmatic progesterone and cortisol concentrations in non-pregnant, pregnant and lactating Saanen breed goats - De Paula, M. [UNESP]; Peruca, Baldini L. [UNESP]; Greco, G. [UNESP]; Bittencourt, R. F. [UNESP]; Maia, L.; Oba, Eunice [UNESP] (Wiley-Blackwell Publishing, Inc, 2008)