Brazilian Journal of Veterinary Research and Animal Science; Vol. 57 Núm. 2 (2020); e159691 Brazilian Journal of Veterinary Research and Animal Science; Vol. 57 No. 2 (2020); e159691 Brazilian Journal of Veterinary Research and Animal Science; v. 57 n. 2 (2020); e159691 Brazilian Journal of Veterinary Research and Animal Science; V. 57 N. 2 (2020); e159691 Brazilian Journal of Veterinary Research and Animal Science Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP) instacron:USP