Can't keep a good ram down - Oldest semen still viable, produces offspring 50 years later

September 4 2019 - 8:00am
HE'S A CLASSIC: Sir Freddie in 1969, one of the four Merino rams whose semen was frozen in 1968. Photo: Walker family
HE'S A CLASSIC: Sir Freddie in 1969, one of the four Merino rams whose semen was frozen in 1968. Photo: Walker family
TEAMWORK: Dr Jessica Rickard (left), Peter Walker (middle), Associate Professor Simon De Graaf with lambs born from 50-year-old semen. Photo: Morgan Hancock
TEAMWORK: Dr Jessica Rickard (left), Peter Walker (middle), Associate Professor Simon De Graaf with lambs born from 50-year-old semen. Photo: Morgan Hancock

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