1. Laboratory of Veterinary Bacteriology Biomedical Institute Federal Fluminense University Niterói Rio de Janeiro Brazil
2. Pathology and Veterinary Clinics Department Veterinary College Federal Fluminense University Niterói Rio de Janeiro Brazil
3. Arthur Sá Earp Neto University Center Petrópolis Rio de Janeiro Brazil
4. Professor Firmino Marsico Filho University Veterinary Hospital Fluminense Federal University Niteroi RJ Brazil
5. Laboratory of Epidemiology and Molecular Systematics Oswaldo Cruz Institute Rio de Janeiro Brazil