NC State Researchers Partner with USDA to Combat Deadly Virus Affecting Pigs Nationwide

Oct 23, 2023

By studying the role unclean vehicles might have in transmitting a swine coronavirus, researchers help boost North Carolina’s food animal industry and support federal agencies in fighting other devastating diseases.

Researchers from the NC State College of Veterinary Medicine are investigating ways to improve swine health by stopping the spread of contagious diseases.
In human medicine, the word “coronavirus” conjures images of masks, vaccines and nasal swabs. But in swine medicine, a different coronavirus causing gastrointestinal symptoms has plagued pig populations and stymied veterinarians for a decade.

Porcine epidemic diarrhea virus, or PEDV, is a highly infectious microbe that causes severe diarrhea and vomiting in pigs. It has a mortality rate of between 50 and 100 percent in infected piglets but generally is not fatal in adult hogs, the U.S. Department of Agriculture notes.

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Video: Sweetener Effects on Gut Health - Dr. Kwangwook Kim

In this episode of The Swine Nutrition Blackbelt Podcast, Dr. Kwangwook Kim, Assistant Professor at Michigan State University, discusses the use of non-nutritive sweeteners in nursery pig diets. He explains how sucralose and neotame influence feed intake, gut health, metabolism, and the frequency of diarrhea compared to antibiotics. The conversation highlights mechanisms beyond palatability, including hormone signaling and nutrient transport. Listen now on all major platforms!

“Receptors responsible for sweet taste are present not only in the mouth but also along the intestinal tract.”

Meet the guest: Dr. Kwangwook Kim / kwangwook-kim is an Assistant Professor at Michigan State University, specializing in swine nutrition and feed additives under disease challenge models. He earned his M.S. and Ph.D. in Animal Sciences from the University of California, Davis, where he focused on intestinal health and metabolic responses in pigs. His research evaluates alternatives to antibiotics, targeting gut health and performance in nursery pigs.