Longitudinal monitoring of fecal testosterone in male Malayan Sun bears (U. malayanus)

Abstract 10.1002/zoo.20061.abs Fecal steroid monitoring was applied as a non-invasive method to investigate testicular cycles and seasonality in the Malayan Sun bear (Ursus malayanus), an endangered ursid from South East Asia. Fecal testosterone was analyzed by radioimmunoassay in samples collected from male Sun bears (n=8) housed in zoological parks in North America and New Zealand, […]