Researchers struggle for mad-cow test that doesn't require killing animals

When the nation's first case of mad cow disease was discovered on a Washington farm, it took the slaughter of more than 700 healthy cattle to prove the disease had not spread. That's because there's no test for mad cow that can be done on live animals, and there may not be one for some time.

Source: News Tribune
calendar icon 19 February 2004
clock icon 1 minute read
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