方法：采用无菌剖腹产与人工哺乳技术，对CV级新西兰实验兔进行了微生物和寄生虫净化，培育出SPF级新西兰实验兔；

Method: We adopted germfree caesarean section and artificial suckling to make CV New Zealand Laboratorial rabbit biology-cleansing and cultivate SPF New Zealand Laboratorial rabbit.

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结果表明，人工转录因子能有效地促进外源基因在哺乳动物细胞中的表达。

These results indicated that artificial transcription factor is potent in the enhancement of exogenous gene expression in mammalian cells.

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人工喂养：母乳喂养是预防乳腺癌的最佳天然手段之一，哺乳可使生乳腺癌的危险减少20%至30%。

Artificial feed: the mother breeds feed is one of optimal and natural measures that prevent breast cancer, lactation can make give birth to the danger of breast cancer to reduce 20 % to 30 %.

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