1. Department of Health Sciences, Federal University of Lavras, Lavras, Minas Gerais 37200-000, Brazil
2. Department of Parasitology, Federal University of Minas Gerais, Minas Gerais, Brazil
3. Department of Veterinary Sciences, School of Agrarian and Veterinary Sciences, University of Trás-os-Montes e Alto Douro (UTAD), 5000-801 Vila Real, Portugal