September 25, 1998
Feeding Grain to Cattle Fosters Toxic Microbes, Scientists Say
Feeding cattle grain instead of hay contributes to the spread of strains of a bacterium that can cause disease among humans, researchers reported in the September 11 issue of Science.
Escherichia coli, which is commonly found in the gastrointestinal tracts of animals and humans, usually isn't harmful, but toxic strains can contaminate hamburger meat and other foods. Infections caused by those strains result in
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