Dolly, The Cloned Sheep, Did Not Have Abnormal Osteoarthritis, Skeleton Radiograph Shows

The world’s first successfully cloned mammal from adult somatic cells, Dolly the sheep, died in 2003 and had been suffering from osteoarthritis before she died. Sheep usually live for between 10 and 12 years; Dolly was euthanized before she turned seven, and the bone disease afflicted since she was about five-and-a-half years old.+Around the time of her death, this had led to concerns about early onset of age-related diseases among cloned animals.

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