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U.S. PED Virus Outbreak Traced Back to China

U.S. PED Virus Outbreak Traced Back to China

By Amanda Brodhagen, Farms.com

Veterinary scientists have found that the Porcine Epidemic Diarrhea (PED) virus outbreak which has been spreading across hog farms in U.S. states since May has been traced back to the Chinese province of Anhui.

Researchers from the Virginia-Maryland Regional College of Veterinary Medicine at Virginia Tech have traced back what they believe are the origins, and possible evolution, of the PED virus that’s been responsible for high mortality rates in swine herds.

It was found that the three U.S. strains of the virus are related to the Chinese strains of PEDV. China had an outbreak of the virus about three years ago. There is currently no vaccine to treat or prevent PEDV.
 


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How the corn-soy diet transformed swine nutrition

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At the 2026 ASAS Midwest Section meeting, Dr. Robert Easter, professor emeritus of swine nutrition at the University of Illinois, spoke at the U.S. Soy sponsored Swine Application Symposium, offering a historical perspective on one of the most important developments in modern pig production: the corn-soybean meal diet. What today is considered a foundational feeding strategy was not always obvious or even accepted.