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May Domestic Swine Disease Monitoring Report Now Available

The Swine Health Information Center’s (SHIC) May Domestic Swine Disease Monitoring Report is available.

This month’s Domestic Swine Disease Monitoring Report brings information about the spike in PRRSV case positivity in wean-to-finish sites. Comparing the April PRRSV positivity for finishing sites with previous years’, it was the highest April positivity since 2018. In addition, the PRRSV variant 1C.5.32 had the highest number of detections for any variant in 2025. Together with the original L1C.5 variant, they represented 42% of all the ORF5 sequences recovered from the SDRS participant VDLs. The report includes a bonus page about the new PRRSV nomenclature and its implementation in the SDRS dashboards and BLAST tool. PEDV had increased regional case positivity in sow farms, mainly in Minnesota. As expected, the seasonal spike in influenza A case positivity occurred in April, repeating the trend of increased positivity in the spring season. In the first quarter of 2025, Mycoplasma hyopneumoniae had the lowest number of historical confirmed tissue diagnoses.

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Sweetener Effects on Gut Health - Dr. Kwangwook Kim

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.