1. Institute for Animal Health and Production Federal Rural University of Amazônia ‐ UFRA Belém Brazil
2. Hormonal Assay Laboratory – LDH University of São Paulo ‐ USP São Paulo Brazil
3. Health Surveillance Office Ministry of HealthNational Primate Center ‐ CENP Ananindeua Brazil
4. Medicine Veterinary Institute Federal University of Pará ‐ UFPA Castanhal Brazil
5. School of Agriculture and Veterinary Sciences State University of São Paulo “Júlio de Mesquita Filho” ‐ UNESP Jaboticabal Brazil