1. Department of Preventive Veterinary Medicine and Animal Health School of Veterinary Medicine and Animal Science University of São Paulo São Paulo Brazil
2. Departamento de Saúde Animal Secretaria de Defesa Agropecuária Ministério da Agricultura Pecuária e Abastecimento Brasília Brazil
3. Secretary of Agriculture Livestock and Agribusiness of State of Rio Grande do Sul (SEAPA‐RS) Porto Alegre Brazil
4. Department of Population Health and Pathobiology College of Veterinary Medicine Raleigh North Carolina