This study was designed to evaluate the effects of freezing sperm in pigs and sheep obtained from different commercial farms, which were frozen with cryoprotectants and then were thawed. The parameters of viability, motility and acrosome integrity were evaluated before and after freezing in both species, where the percentages obtained...
The Oocyte have the inherent ability to reprogram the sperm nucleus to form an embryo, which result in a new organism; nevertheless, also it has the ability to reprogram the nucleus of differentiated somatic cell, as it has been shown in Somatic Cell Nuclear Transfer (SCNT). Cytoplasmic extracts of Germinal...