Researchers develop PEDV rapid diagnostic test

Published on July 24, 2013 at 12:33 AM · No Comments

Mere months after porcine epidemic diarrhea virus (PEDV) was first confirmed in the United States swine population, University of Minnesota researchers have developed a PEDV rapid diagnostic test.

The first-of-its-kind test, which is available now, provides a way to quickly and cost-effectively identify the presence of U.S. PEDV strains.

Characterized by acute diarrhea and vomiting, a PEDV outbreak wipes out an average of 50 percent of young swine at newly affected farms. PEDV poses no risk to other animal or human health and no risk to food safety. Should PEDV become widespread, however, the pork industry could suffer significant losses. The virus has been confirmed in sixteen U.S. states so far. There is no known vaccine or treatment for the virus at this time.

Thanks to the new test, samples from animals suspected of carrying PEDV can be submitted to the University of Minnesota Veterinary Diagnostic Laboratory (VDL) for testing. Test results are known within 24 hours, allowing for swine producers and farmers to take necessary precautions to prevent further spread. Genetic material is also extracted from the samples, which can be tested and tracked to monitor PEDV spread.

Samples including swine fecal swabs, saliva, serum, feed, and fecal, intestinal and lung tissues can be tested via a multiplex assay which identifies the presence of not just PEDV, but also transmissible gastroenteritis (TEG) - a virus that has existed among U.S. swine populations for some time. Pairing the tests improves affordability to agriculture by bringing the cost of the test to less than $50.

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