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Infected Cow Born Before Feed Ban Took Effect

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Infected Cow Born Before Feed Ban Took Effect

Science

Infected Cow Born Before Feed Ban Took Effect

Infected Cow Born Before Feed Ban Took Effect

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  • <iframe src="https://www.npr.org/player/embed/1575806/1575807" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

U.S. agriculture officials say the Washington state Holstein infected with mad cow disease was more than 6 years old — older than previously thought. The cow was born before the United States and Canada banned the feeding of cattle parts to other cattle, a practice thought to be the principal means of transmitting the disease. Hear NPR's Joanne Silberner.

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