1. Laboratory of Morphological Animal Research (LaPMA) Federal Rural University of Amazonian Belém Brazil
2. Laboratory of Animal Histology and Embriology (LHEA) Federal Rural University of Amazonian Belém Brazil
3. Center for Biological and Health Sciences (CCBS) University of Amazonia Belém Brazil
4. Hospital Veterinário Mário Dias Teixeira (HOVET UFRA) Federal Rural University of Amazonian Belém Brazil
5. Petcare São Paulo. Av. Pacaembu São Paulo Brazil