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50-year-old sheep sperm used to impregnate 34 female sheep
short by Arundhati Rawat / on 19 Mar 2019,Tuesday
Sydney University scientists have revealed they used sheep sperm, frozen 50 years ago, to successfully impregnate 34 female sheep. "We believe this is the oldest viable stored semen of any species in the world and definitely the oldest sperm used to produce offspring," a scientist said. The sperm was stored in 1968 as small pellets in vats of liquid nitrogen.
short by Arundhati Rawat / 03:39 pm on 19 Mar
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