A cloned cow gave birth to a calf conceived by artificial insemination at a research center in Northwestern Japan on July 5, showing that cloned cows can reproduce.
英
美
- 1998年7月5日,日本西北部的一家研究所通过人工受孕的方法培育出克隆牛,此试验证实了克隆牛的可繁殖性。