Sabre-toothed tigers and dire wolves that lived in the last glacial period had surprisingly high rates of an inheritable bone disease, which might reflect inbreeding as the ancient carnivores approached extinction around 10,000 years ago.
ROMAN UCHYTEL/SCIENCE PHOTO LIBRARY
Schmökel, an orthopaedic veterinary surgeon specialising in cats and dogs, says he has always enjoyed As for the dire wolves, the researchers found most of the lesions in the shoulder joints, with a prevalence of 4.5 per cent, composed of mostly small lesions. But 2.6 per cent of the wolves’ femurs also had osteochondrosis and in these cases, most of the lesions were considered large – exceeding 12 millimetres – albeit not severe.
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