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Sheep are susceptible to their own brain wasting disease called scrapie , but this disease has never been shown to be transmissible to humans.
Since 1997, almost 300 Quebec farmers have been ordered to destroy more than 12,000 sheep feared to be carrying the disease called scrapie .
Since the early 1990s, scientists have become increasingly concerned that sheep diagnosed with scrapie may actually have BSE.
Biologically, the symptoms of the relatively common disease of scrapie in sheep are very similar to those of BSE.
Healthy sheep inoculated with tissue from animals with scrapie took years to develop symptoms, far longer than for any other known infection.
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