1. Department of Veterinary Clinical Science, School of Veterinary Medicine and Animal Science, São Paulo State University (Unesp), Botucatu 18618-681, Brazil
2. School of Veterinary Medicine, Centro Universitário Doutor Leão Sampaio (Unileão), Juazeiro do Norte 63041-140, Brazil
3. School of Veterinary Medicine, Federal University of Uberlandia, Uberlandia 38405-314, Brazil
4. Department of Breeding and Animal Nutrition, School of Veterinary Medicine and Animal Science, São Paulo State University (Unesp), Botucatu 18618-681, Brazil