• Breaking News

    Ram sperm frozen for 50 years successfully used to impregnate 34 ewes

    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.

    from Phys.org - latest science and technology news stories https://ift.tt/2ue6gts

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