Hormonal alterations and reproductive inhibition in male fence lizards (Sceloporus occidentalis) infected with the malarial parasite Plasmodium mexicanum
When naturally infected with the malarial parasite Plasmodium mexicanum, Western fence lizards, Sceloporus occidentalis, exhibit numerous reproductive pathologies. Infected males display fewer courtship and territorial behaviors, have altered sexually dimorphic coloration, and have smaller testes. Infected animals store less fat by late summer, which, for females, reduces clutch size in the spring We describe hormonal […]
A review of the reproductive physiology of rhinoceros species in captivity
Substantial progress in understanding the reproductive physiology of the four rhinoceros species in captivity, White rhinoceros Ceratotherium simum, Black rhinoceros Diceros bicornis, Indian or Greater one-horned rhinoceros Rhinoceros unicornis and Suma-tran rhinoceros Dicerorhinus sumatrensis, has been achieved over the last two decades largely owing to advances in endocrine and ultrasound techniques, and improved methods of […]