A peek into the eyes of cattle may become the basis for a long-sought test to detect infection with the agent that causes Mad Cow Disease, say scientists.
That test could help prevent the disease from spreading in the food supply.
Jacob Petrich and colleagues note that the human form of Mad Cow Disease is linked to eating beef from animals infected with abnormal proteins called prions implicated in a range of brain diseases.
Scientists are trying to develop tests to detect infected cattle before they enter the food supply.
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