1. Avian Diseases, Department of Preventive Veterinary Medicine, Veterinary College, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
2. Pathology Section, Department of Clinics and Surgery, Veterinary College, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, MG, Brazil