1. Laboratory of Animal Germplasm Conservation (LCGA), Department of Animal Sciences, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró, Brazil.
2. Laboratory of Applied Animal Morphology, Department of Animal Sciences, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró, Brazil.
3. Smithsonian National Zoo and Conservation Biology Institute, Washington, District of Columbia, USA.