The improvement of in vitro maturation systems for bovine and porcine oocytes |
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Authors: | Nagai T |
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Affiliation: | Department of Animal Reproduction, National Institute of Animal Industry, Tsukuba, Ibaraki, Japan. |
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Abstract: | Recent advances in biotechnology have enabled us to produce cloned and genetically modified cattle and pigs by manipulating in vitro-produced embryos. However, the efficiency is still extremely low, mainly because of the low developmental competence of manipulated embryos. To improve this situation, IVM systems for bovine and porcine oocytes in in vitro embryo production systems must be improved. This paper addresses the selection of ovaries with competent follicles at a slaughterhouse and looking attached sight of oocytes at a lab, and the IVM of oocytes under redox state to enhance the developmental competence of IVM oocytes in cattle and pigs. |
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