[1] Fed Fluminense Univ, Sch Vet Med, Postgrad Program Vet Med, Clin & Anim Reprod, Rua Vital Brasil Filho 64, BR-24320340 Niteroi, RJ, Brazil
[2] Evandro Chagas Inst, Brazilian Natl Primate Ctr, Rodovia BR 316,Km 07, BR-67030000 Ananindeua, Brazil
[3] Fundacao Oswaldo Cruz, Inst Sci & Technol Bio models, Ave Brasil 4365, BR-21040360 Rio De Janeiro, Brazil
[4] Embrapa Dairy Cattle, Rua Eugenio Nascimento 610, BR-36038330 Juiz De Fora, Brazil