Affiliation: | 1.Institute of Veterinary Medicine, Federal University of Pará, Av. dos Universitários, s/n, Castanhal, 68746-360, Brazil ;2.Laboratory of Animal Reproduction, Brazilian Agricultural Research Corporation, Embrapa Southeast Livestock/Embrapa Pecuária Sudeste (CPPSE/Embrapa), Rod. Washington Luiz, km 234, S?o Carlos, 13560-970, Brazil ;3.Faculty of Veterinary Medicine, Fluminense Federal University, Rua Vital Brasil, 64, Niterói, 24230-340, Brazil ;4.University of S?o Paulo, Av. Duque de Caxias Norte, 225, Pirassununga, 13635-900, Brazil ;5.S?o Paulo State University “Júlio de Mesquita Filho”, Via Prof. Paulo Donato Castellane, s/n, Jaboticabal, 14884-900, Brazil ; |