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In the present study, we have examined the effect of density gradient preparations BoviPure and Percoll on bull sperm separation and the in vitro fertilization (IVF) and culture (IVC) results. Frozen/thawed semen from five simmental bulls were pooled. Sperm quality parameters such as sperm motility, concentration, membrane activity (HOS assay), membrane(More)
The metabolism of proteins in the blood serum in Boer and Saanen goats was investigated during puerperium. Twenty Boer goats (10 primiparous and 10 pluriparous) and 10 Saanen goats (five primiparous and five pluriparous) between 2 and 5 years of age were used in this research. Blood for analysis was taken every fourth day from day 3 until day 40(More)
The aim of our research was to examine the ability of density gradient preparation BoviPure and swim up method on bull sperm separation and in vitro embryo production (IVP) systems. Frozen/thawed semen from six Simmental bulls was pooled and treated using both methods. The sperm motility, concentration, membrane activity, membrane integrity and acrosomal(More)
The aim of this study was to evaluate whether the addition of cysteamine to the in vitro culture media enhances the yield, hatching rate, total cell number and inner cell mass/total cell number ratio of bovine embryos. A total of 933 bovine oocytes collected from ovaries of 60 slaughtered donors were subjected to in vitro maturation and in vitro(More)
In the present study we examined the effect of density gradient preparation Percoll® on bull sperm separation and in vitro fertilization (IVF) results. Frozen/thawed semen from 5 Simmental bulls was pooled and sperm quality parameters were evaluated before and after sperm separation using Percoll® density gradient preparation. We evaluated sperm motility(More)
The aim of the study was to compare the effect of different synchronization protocols on oocyte retrieval and blastocyst production in vitro. Twelve Simmental heifers were randomly allocated to one of three synchronization groups. In the 1st group heifers were synchronized with two PGF2α injections in 11-days interval. In the 2nd group heifers were(More)
of In vitro Production (IVP) of bovine embryos comprises In vitro Maturation (IVM), In vitro Fertilization (IVF) and In vitro Culture (IVC) until the stage of blastocyst [1]. The IVP enables the production of numerous offspring from genetically highquality cows and thus it is in use in order to attain improvement of genetic selection in cattle breeding, as(More)