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Study on Vitrification of Rabbit Embryos with the Open Pulled Straw(OPS) Method
Author(s): DING Zhi-li, ZHOU Jun-bo, DAI Rong-liang, WANG Xing-long
Pages: 12-
14
Year: 2006
Issue:
19
Journal: CHINESE JOURNAL OF ANIMAL SCIENCE
Keyword: 畜牧学; OPS; 胚胎冷冻; 兔;
Abstract: 采用2种不同浓度的冷冻液(VS Ⅰ和VSⅡ),通过OPS法玻璃化冷冻兔的胚胎.结果表明:冷冻兔的桑椹胚641枚,解冻后胚胎总回收率为93.8%(601/641),形态结构良好率为94.5%(568/601),透明带完好率为100%(601/601).VS Ⅰ和VSⅡ冷冻的胚胎解冻后回收率分别为93.8%(305/325)和93.7%(296/316),两者差异不显著(P>0.05);形态良好率分别为95.1%(290/305)和94.0%(278/296),前者显著地高于后者(P<0.05).将解冻后形态结构良好的桑椹胚415枚移植到29只受体母兔体内,总妊娠率为51.7%(15/29),产仔率为34.5%(61/177).VS Ⅰ妊娠率为53.3%(8/15),产仔率为36.8%(35/95);VSⅡ妊娠率为50.0%(7/14),产仔率为31.7%(26/82).无论妊娠率还是产仔率,VS Ⅰ都高于VSⅡ,但差异不显著(P>0.05).
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