Simon de Graaf and Dr. Jessica Rickard, University of Sydney (IMAGE)

University of Sydney

Simon de Graaf and Dr. Jessica Rickard, University of Sydney

Caption

Researchers who thawed 50 year old sheep semen and successfully impregnated 34 ewes Associate Professor Simon de Graaf and Dr. Jessica Rickard. Pictured here with the healthy progeny from the semen.

Credit

Morgan Hancock/University of Sydney

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