1. Department of Animal Reproduction School of Veterinary Medicine and Animal Sciences University of São Paulo São Paulo Brazil
2. Department of Anatomy of Domestic and Wild Animals School of Veterinary Medicine and Animal Sciences University of São Paulo São Paulo Brazil
3. Department of Veterinary Medicine College of Animal Science and Food Engineering University of São Paulo Pirassununga Brazil
4. Department of Food Engineering College of Animal Science and Food Engineering University of São Paulo Pirassununga Brazil