Gillis, J.D.; Donnelly, K.A.; MacCann, R.S.; Metrione, L.C.; Zachariah, T.T.; O’Brien, J.K.; Stoops, M.A. 2023. An improved understanding of ovulation timing in two rhinoceros species (Rhinoceros unicornis, Ceratotherium simum simum): ultrasound examination of preovulatory follicles before and after ovulation induction. Reproduction, Fertility and Development 36 (2): 161. doi.org/10.1071/RDv36n2Ab23






