1. Department of Animal Reproduction, Faculty of Veterinary Medicine and Animal Sciences University of São Paulo São Paulo Brazil
2. Criadouro de Animais Silvestres da Itaipu Binacional, Itaipu Binacional Refúgio Biológico Bela Vista Foz do Iguaçu Paraná Brazil
3. Department of Biosciences Federal University of Paraná Palotina Paraná Brazil