mad cow disease

The Salt
12:02 pm
Wed April 25, 2012

Mad Cow Disease: What You Need To Know Now

Cattle feeding practices have been changed in an effort to halt the spread of mad cow disease.
iStockphoto.com

Originally published on Thu April 26, 2012 9:29 am

Mad cow disease has been detected in a cow in California, the first time since 2006 that the deadly disease has surfaced in the U.S.

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