February 8, 2010 6:59 AM

Cattle vaccine offers hope for curbing risk of E. coli infections

Cargill is trying out the vaccine on 100,000 animals that will start heading to slaughter in May. For now, the company is bearing its cost even as the medicine undergoes more scientific trials under the gaze of a Kansas State University researcher. What’s unsettled is whether the cost — at between $3 and $10 per cow — will be paid by packers, feedyard operators, ranchers or none of the above.

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