Science
21:26, 25-Nov-2018
Lamb twins from 20-year-old frozen embryos debut in China
Updated
20:48, 28-Nov-2018
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A pair of twin lambs born from embryos frozen 20 years ago made their debut at an ongoing agriculture fair in Hangzhou, capital of east China's Zhejiang Province.
The baby twins were born in September from two of the 120 local sheep embryos scientists had collected and kept in -196 degree Celsius liquid nitrogen at a national gene bank for livestock since 1988.
Local scientists put the embryos into the womb of a female sheep in April, expecting to breed the local variety that has seen a quality drop due to increased hybridization in recent years.
Since the end of August, eight lambs were born from the embryos and have been put under close care, according to local scientists.
(Top image: People visit lambs born from embryos frozen 20 years ago, Hangzhou, Zhejiang Province, November 23, 2018. /VCG Photo)
Source(s): Xinhua News Agency