Fecal steroids metabolites in jaguarundi (Herpailurus yagouaroundi): recovery rate and ria validation - Berbare, Patrícia Espíndola Bretas; Guimarães, Marcelo Alcindo de Barros Vaz; Oliveira, Cláudio Alvarenga de; Felippe, Érika Gutierrez (International Symposium on Canine and Feline Reproduction, 2004)