1. Department of Preventive Veterinary, Faculty of Veterinary, Federal University of Pelotas, Pelotas, RS, Brazil
2. Department of Veterinary Clinic, Faculty of Veterinary, Federal University of Pelotas, Pelotas, RS, Brazil
3. Department of Agroindustrial Science and Technology, Faculty of Agronomy, Federal University of Pelotas, Pelotas, RS, Brazil