从遗传角度推算，猪内源逆转录病毒大约在3千万年前整合到了猪的基因组内。
From the context of genetic distance, it was estimated that the viruses integrated into the pigs' genome about 30 million years ago.
方法采用半定量pcr方法检测了我国四种小型猪内源性逆转录病毒基因的拷贝数。
Methods Semi-quantitative PCR method was used in this research to estimate PERV copy-number of four mini-pigs in China.
方法采用半定量pcr方法检测了我国四种小型猪内源性逆转录病毒基因的拷贝数。
Methods Semi-quantitative PCR method was used in this research to estimate PERV copy-number of four mini-pigs in China.
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