Effects of polyunsaturated fatty acids (PUFA) supplementation on progesterone production and time of luteolysis in non-pregnant Nelore cows - Lopes, C. N. [UNESP]; Peres, R. F. G. [UNESP]; Reis, M. [UNESP]; Araujo, T.; Cooke, Reinaldo Fernandes [UNESP]; Vasconcelos, José Luiz Moraes [UNESP] (Nottingham University Press, 2010)