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The aim of this study was to create new strategies to increase the pregnancy rate, in "ovsynch protocol" treatment. Two programs for synchronisation of ovulation and for synchronisation of ovulation and oestrus, similar to the ovsynch, were developed for the use in lactating primiparous dairy cows. Lactating Holstein-Friesian cows were randomly divided into five treatment groups: the GPG...
The aim of study is to determine the effects of different transport temperatures (4°C, 32°C) of sheep and cattle ovaries on the in vitro maturation of oocytes. Two experimental groups were formed. Sheep and cattle ovaries were put into saline solution at 32°C. The ovaries were transported to the laboratory, at the same temperature (Group I) or at 4°C following 10 minutes of incubation at room temperature...
The study investigated the effects of three different KH₂PO₄ concentrations (0.59 mM; 1.19 mM; 2.38 mM) in Whitten’s medium and co-culture on in vitro two-cell blocks and their development to the blastocyst stage of inbred BALB/C mice embryos following in vitro fertilization. Standard IVF and IVC procedures were used and mouse oviduct cells were used as a co-culture. The results demonstrated that...
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