1. Postgraduate Program in Pathology, Fluminense Federal University, Niterói, RJ, Brazil
2. Department of Pathology and Veterinary Clinics, Faculty of Veterinary Medicine, Fluminense Federal University Niteroi, RJ, Brazil
3. Postgraduate Program in Clinical and Animal Reproduction, Faculty of Veterinary Medicine, Fluminense Federal University, Niteroi, RJ, Brazil
4. Department of Clinical and Surgery, Veterinary Institute, Federal Rural University of Rio de Janeiro, RJ, Brazil