This sperm may have come in like a lamb — but it’s out like a lion. A highly fertile one. Semen stored in an Australian lab since 1968 has been defrosted and used to impregnate 34 Merino ewes, ...
Ram semen stored for 50 years has been used to successfully impregnate 34 ewes, with fertility rates as high as recently stored semen. Semen stored since 1968 in a laboratory in Sydney has been ... Semen stored since 1968 in a laboratory in Sydney has been defrosted and successfully used to impregnate 34 Merino ewes, with the resulting live birth rate as high sperm frozen for just 12 months. New York Post: World’s oldest semen still packs a potent punch, researchers say Scientists in Australia have set a new record by using the world’s oldest known viable semen to impregnate dozens of merino sheep.
where is semen stored, The sperm had been frozen since 1968, but the live birth rate was as ... The Conversation: Eggs and sperm can now be stored for up to 55 years – here’s what that means for donors and people seeking fertility treatment The UK government has just extended the period that gametes (eggs and sperm) and embryos can be stored from ten years to 55 years. While this change will probably be welcomed by people who wish to ... Eggs and sperm can now be stored for up to 55 years – here’s what that means for donors and people seeking fertility treatment
