1. Clinic and surgery department; Veterinary School; Federal University of Minas Gerais; Belo Horizonte MG Brazil
2. Technology and Inspection of Products of Animal; Origin Department; Veterinary School, Federal University of Minas Gerais; Belo Horizonte MG Brazil
3. Institute of Biological Sciences of the Federal University of Minas Gerais; Belo Horizonte MG Brazil
4. Veterinary Faculty; PUC Minas, Betim; Bairro Angola; Betim MG Brazil