A staff member shows a test-tube baby sheep born on Oct. 19 in a stockbreeding technology experimentation zone in the Tibetan Autonomous Prefecture of Haibei, northwest China's Qinghai Province, Nov. 27, 2013. Two test-tube sheep produced by the JIVET technique for the first time celebrated their one-month birthday here in recent days. This experiment succeed in producing purebred Dorset sheep with Tibetan ewes. The technique greatly shortened the breeding cycle, and is expected to be used to introduce eminent breeds and cultivate new breeds. (Xinhua/Li Shaopeng)
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