Sheep Possibly Exposed to Disease Are Killed
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AMES, Iowa — All 260 sheep suspected of having been exposed to a form of “mad cow” disease have been killed, the U.S. Department of Agriculture said Tuesday.
Before the flocks were sent to Iowa, four sheep tested positive for transmissible spongiform encephalopathy, or TSE, a disease family that includes bovine spongiform encephalopathy, or mad cow disease, and scrapie, a sheep disease that doesn’t affect humans.
The East Friesian milking sheep, seized in Vermont, were imported before an epidemic of mad cow disease prompted a ban on European livestock in 1997.
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