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KMID : 0900919910150020097
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Korean journal of Animal Reproduction
1991 Volume.15 No. 2 p.97 ~ p.101
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Cryopreservation of Zone Pellucida Removed Embryo and Normal Embryo of the Mouse Early Embryos
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Yun Chang-Hyeon
Min Kwan-Sik
Oh Seok-Doo
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Abstract
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This study was carried out to investigate the survival rate of in vitro culture after frozenthawed, to used DMSO(dimethyl sulfoxide), glycerol and ethylene glycol of cryorpotective agents at the zona pellucida removed and intact on the morulae and blastocysts. The results obtained from this study were as follows : 1. The survival rate of in vitro culture after frozen-thawed to used cryoprotective agents of three kinds at the morulae was 86.0%, 87.1% and 83.3%, total or mean were 85.5%, respectively. 2. The survival rate of in vitro culture after frozen-thawed to used cryoprotective agents of three kinds at the zona pellucida removed morulae was 53.2%, 42.3% and 37.5%, total or mean were 44.3%, respectively. 3. The survival rate of in vitro cultrue after frozen-thawed to used cryoprotective agents of three kinds at the blastocysts was 89.4%, 86.2%, total or mean were 86.7%, respectively. 4. The survival rate of in vitro culture after frozen-thawed to used cryoprotective agents of three kinds at the zona pellucida removed blastocysts was 55.8%, 51.6% and 40.6%, total or mean were 49.3%, respectively.
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KEYWORD
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DMSO, glycerol, ethylene glycol, zona pellucida removed and intact embryo
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