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Comet Assay for Determining the Integrity of DNA between Frozen-sexed and Frozen Sperm in Dairy Cow
Author(s): LUO Xinrong, MA Zuo, MENG Hao, GAO Qinghua
Pages: 6-
8
Year: 2011
Issue:
20
Journal: China Dairy Cattle
Keyword: Frozen-sexed sperm; Frozen sperm; DNA damages; Comet assay; Dairy cow;
Abstract: 本文为确定性控冻精与常规冻精的DNA损伤程度,利用彗星实验法分别将奶牛的性控冻精和常规冻精凝胶混合液在裂解液中作用后,使用普通载玻片双层铺胶,电泳,吖啶橙染色后在荧光显微镜下检测、拍照,经CASP软件图像分析后用SPSS 11.5进行数据统计,初步建立了奶牛精子DNA损伤的5级彗星图谱。统计结果显示,性控冻精的DNA损伤系数为116,显著高于常规冻精的损伤系数(28)(P〈0.01);彗星率为63...
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