1. Laboratory of Parasitic Diseases, Faculty of Veterinary Medicine and Animal Science , Federal University of Mato Grosso do Sul , Campo Grande , Brazil
2. Graduate Course in Veterinary Medicine , Faculty of Veterinary Medicine and Animal Science , Federal University of Mato Grosso do Sul , Campo Grande , Brazil
3. Postgraduate Program in Veterinary Sciences , Faculty of Veterinary Medicine and Animal Science , Federal University of Mato Grosso do Sul , Campo Grande , Brazil
4. Zoetis Animal Health, Henri Dunant Street , 1383, Morumbi Corporate , São Paulo , Brazil .