1. Department of Veterinary Medicine, Instituto Federal da Paraíba—IFPB, Sousa 58807-630, Paraíba, Brazil
2. Department of Veterinary Medicine, Universidade Federal de Rondônia—UNIR, Rolim de Moura 76940-000, Rondônia, Brazil
3. Department of Veterinary Medicine, Universidade Federal da Paraíba, João Pessoa 58059-900, Paraíba, Brazil