Abstract：Transgenic animals have become the development hotspot of life sciences ,and transgenic sheep has already been the important parts of transgenic animas.Since the first transgenic sheep was produced by microinjection in 1985,more and more transgenic sheep has been born successfully by different transgenic techniques .At the same time,the application of transgenic sheep has been moving towards mammary gland bioreactor from transgenic breeding,and the outcomes are great.Here,
author makes a summary for this.
