7 years ago
Critically endangered black-footed ferret bred using 20-year-old frozen sperm
The critically endangered black-footed ferret has been successfully reproduced using frozen sperm from a male that has been dead for 20 years. Scientists from the Lincoln Park Zoo say the accomplishment harks hope for the survival of the species, which was once thought extinct as so few remained.
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http://www.ibtimes.co.uk
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I always feel weird about people impregnating animals...