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Higher air temperature in summer causes a significant reduction in fertility in cattle. Increase in female body temperature during the period of reproduction by only 2EC, also known as hyperthermia, leads to disturbances in the functioning of the female reproductive system, oocytes maturation, fertilization and embryos development. Particularly sensitive to high temperatures are embryos in the first...
In this paper, the authors made an attempt to summarize the present knowledge on apoptosis in mammalian oocytes and embryos. On the contrary to necrosis, apoptosis is a programmed death of damaged or mutated cells. Several studies showed that it takes place during oogenesis (oocyte growth and maturation), as well as at some stages of preimplantation embryo development (morula, blastocyst). Although...
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