This review describes the use of modern reproductive biotechnologies or assisted
reproductive techniques (ART) including artificial insemination, embryo transfer/sexing, in …

Many species of mammals are threatened or endangered. Methods of assisted reproduction
that are being used with increasing frequency to produce offspring of domestic animals and …

Abstract Currently, more than 16,000 plant and animal species are imminently threatened by
extinction, often as a direct consequence of anthropogenic influences. One of the measures …

Abstract Knowledge of and the technologies and resources applied to the ex situ care for
wildlife have improved greatly in recent years. This has resulted in numerous successes …

White rhinoceroses suffer from a low rate of reproduction in captivity. This study examines
the role of male reproductive function as a contributing factor. We used ultrasonography to …

The ongoing mass extinction of animal species at an unprecedented rate is largely caused
by human activities. Progressive habitat destruction and fragmentation is resulting in …

Extinction of a species represents the loss of a resource evolved through eons of mutations
and natural selection. Reproductive technologies, including artificial insemination, embryo …

Substantial progress in understanding the reproductive physiology of the four rhinoceros
species in captivity, White rhinoceros Ceratotherium simum, Black rhinoceros Diceros …

Despite dipping to perilously low numbers over the past century, all five rhinoceros (rhino)
species still survive in the wild with four also in managed breeding programs. These …

The outcome of sperm competition is influenced by the relative quantity and quality of sperm
among competing ejaculates. Whereas it is well established that individual ejaculate traits …