1. Postgraduate Program in Veterinary Medicine, Faculty of Agricultural and Veterinary Sciences of Jaboticabal; UNESP Univ Estadual Paulista; Via de Acesso Prof. Paulo Donato Castellane s/n, Jaboticabal SP 14884-900 Brazil
2. Faculty of Veterinary Medicine of Araçatuba; UNESP Univ Estadual Paulista; Rua Clóvis Pestana 793, Araçatuba, SP 16050-680 Brazil
3. Department of Pathology and Oral Diagnostics; School of Dentistry, UNESP Univ Estadual Paulista; Rua José Bonifácio 1193, Araçatuba, SP 16015-050 Brazil
4. Department of Mathematics, Faculty of Engineering of Ilha Solteira; UNESP Univ Estadual Paulista; Av. Brasil 56, Ilha Solteira, SP 15385-000 Brazil
5. Department of Support, Production and Animal Health, Faculty of Veterinary Medicine of Araçatuba; UNESP Univ Estadual Paulista; Rua Clóvis Pestana 793, Araçatuba, SP 16050-680 Brazil