Brazilian Journal of Veterinary Research and Animal Science; Vol. 58 (2021): Special Issue: Donkeys and Mules; e174365 Brazilian Journal of Veterinary Research and Animal Science; v. 58 (2021): Número especial: Asininos e Muares; e174365 Brazilian Journal of Veterinary Research and Animal Science; V. 58 (2021): Special Issue: Donkeys and Mules; e174365 Brazilian Journal of Veterinary Research and Animal Science Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP) instacron:USP