Sheila C. RahalDepartment of Veterinary Surgery and Anesthesiology, Faculty of Veterinary Medicine and Animal Science, University of São Paulo State (UNESP), Campus Botucatu, 18618-000, Botucatu - São Paulo, Brazil.
Maria J. MamprimDepartment of Animal Reproduction and Radiology, Faculty of Veterinary Medicine and Animal Science, University of São Paulo State (UNESP), Campus Botucatu, 18618-000, Botucatu - São Paulo, Brazil.
Sandra R. TorelliDepartment of Veterinary Surgery and Anesthesiology, Faculty of Veterinary Medicine and Animal Science, University of São Paulo State (UNESP), Campus Botucatu, 18618-000, Botucatu - São Paulo, Brazil.