Oocyte cryopreservation is a strategic tool for in vitro embryo production, but low rates of
cryosurvival are reported for bovine oocytes. Simulated physiological oocyte maturation …

Cryopreservation of mature oocytes and embryos has provided numerous benefits in
reproductive medicine. Although successful cryopreservation of germinal-vesicle stage (GV) …

Oocyte cryopreservation is a strategic tool for assisted reproduction, but has limited use due
to the complex cellular structure of oocytes, which leads to sub-optimal survival rates. In this …

The aim of this study was to examine the viability and meiotic competence of porcine
oocytes when immature porcine cumulus-oocyte complexes (COC) were pretreated for …

Oocyte cryopreservation will become an important tool for the creation of genetic resources
bank in domestic animals. Many problems have been described following cryopreservation …

We investigated the effect of meiotic stages and two maturation protocols on bovine oocyte's
resistance to cryopreservation. Oocytes at germinal vesicle breakdown (GVBD) and …

Vitrification may severely affect cumulus cells and oocyte morphology and viability, limiting
their maturation and developmental potential. The aim of this study was to evaluate the gap …

Cryopreservation techniques for unfertilized oocytes have great potential for cattle breeding;
however, the overall success remains low. Oocytes were divided in 8 treatment groups …

Cryotolerance of matured bovine oocytes is not fully practical even though a promising
vitrification procedure with a ultrarapid cooling rate was applied. The present study was …

In order to assess effects of vitrification on ovine oocytes at the germinal vesicle (GV) stage,
the conventional plastic straw (CS), the open-pulled straw (OPS), and Cryoloop were used …