1 School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, SP, 14884-900, Brazil. gerardojjunior@yahoo.com.br.
2 School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, SP, 14884-900, Brazil.
3 School of Veterinary Medicine and Animal Science, University of São Paulo (USP), Pirassununga, SP, 13635-900, Brazil.
4 School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, SP, 14884-900, Brazil. galvao.albuquerque@unesp.br.