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The aim of the study was to compare the effect of gonadotropic hormones and granulosa cells on the maturation and developmental capacity of cattle oocytes in vitro, as well as the effect of TCM 199 and DMEM/F12 media on the development of embryos obtained in co-culture with oviduct epithelial cells. Fertilization was performed with the use of frozen semen from 2 bulls. Twenty hours after insemination,...
The development of pig reproductive biotechnology has made it possible to use this species not only as farm animals but also as important models in biomedical research. Systems based on pig embryos from in vitro fertilization (IVF) are used much more frequently, although the quality of these embryos differs from those produced by in vivo fertilization. The most frequent problems in the IVF procedure...
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