Deadly U.S. pig virus can be carried in animal feed: study

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Deadly U.S. pig virus can be carried in animal feed: study

By Tom Polansek CHICAGO (Reuters) - A research study has shown for the first time that livestock feed can carry a virus that has killed about 13 percent of the U.S. hog herd, the study's lead author said, confirming suspicions among farmers and veterinarians battling outbreaks. The findings, published this month in the peer-reviewed BMC Veterinary Research journal, bring increased scrutiny on the feed industry in the fight against Porcine Epidemic Diarrhea virus, or PEDv. In the study, researchers collected feed residue from three farms in Iowa and Minnesota that had outbreaks of PEDv and had received feed from the same source. They fed it to five piglets in an experiment at South Dakota State University, and all became infected with the virus.

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