World's oldest semen still viable
Sunday, March 17, 2019 - 14:50
in Earth & Climate
Ram semen stored for 50 years has been used to successfully impregnate 34 ewes, with fertility rates as high as recently stored semen.
Updated by artificial intelligence Tue, 13 Jun 2023, 2:53:47 UTC Learn more
- Tell your friends
- Get science news via