But a successful cloning will also pose challenges for the team, Iritani warned.

Iritani警告说，对团队来说成功进行克隆仍是一项挑战。

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Cloning of cattle was poor until recently, but now stands at about 30 percent, "said Iritani."

一直以来，克隆牛的成功率都很低，不过现在已经达到百分之三十左右。

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"The success rate in the cloning of cattle was poor until recently, but now stands at about 30 percent," said Iritani.

一直以来，克隆牛的成功率都很低，不过现在已经达到百分之三十左右。

youdao