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PED Risk Expected to Increase as Natural Immunity Dissipates
2015-11-26 01:00:00| ThePigSite - Industry News
US - The executive director of the US based Swine Health Information Center warns, as natural immunity to Porcine Epidemic Diarrhea, resulting from previous exposure dissipates, the risk of the virus spreading will increase, writes Bruce Cochrane.
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Category:Agriculture and Forestry