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KMID : 1005220050200020113
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Journal of Embryo Transfer
2005 Volume.20 No. 2 p.113 ~ p.121
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Effects of Hexoses on In Vitro Development of Parthenogenetic Embryos in the Pigs
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윤선영
김정익/정희태/양부근/박춘근
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Abstract
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This study was conducted to investigate the effects of different hexoses (glucose, mannose, galactose and fructose) on in vitro development of parthenogenetic embryos in the pigs. When the parthnogenetic embryos were cultured in medium with concentrations of 5mM glucose or 1mM galactose, the rates of embyos developed to morula and blastocyst stages were significantly higher than those in another culture conditions (P<0.05). However, high concentration of galactose inhibited development to morula and blastocyst stages. Addition of hexoses at early stage of porcine parthenogenetic embryos were effective for in vitro development. Especially, the embryos cultured in medium with glucose at early stage were effective for development to 2-cell (72%) and blastocyst (19%) stages compared with embryo cultured without glucose. From the present results, it is suggested that development of porcine parthenogenetic embryos can improve in medium with 5mM glucose. The concentration of 1mM galactose was also effective for development of porcine parthenogenetic embryos. It also show that parthenogenetic embryos cultured with glucose at early stage can improve in vitro development.
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