Use of urinary biomarkers of ovarian function and altrenogest supplementation to enhance captive breeding success in the Indian rhinoceros (Rhinoceros unicornis)

Urinary hormone analysis was conducted on two adult female Indian rhinoceroses (Rhinoceros unicornis) that exhibited minimal or no estrual behaviors traditionally used to time breeding. Urine was collected throughout two consecutive estrous cycles to establish preliminary data on each individual’s pattern and concentration of estrogen conjugates (EC) and progesterone metabolites (PdG) during follicular and luteal […]