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USDA Testing Beef for H5N1 Amid Current Outbreak in Dairy Cows

On April 29, the U.S. Department of Agriculture announced that it is now testing ground beef for any presence of the H5N1 virus that continues to spread among dairy cows.

The agency said it is sampling ground beef bought in  in states where dairy cattle have tested positive for the virus, also known as H5N1, CNN reported. Officials are also testing samples of muscle tissue from sick cows that have been culled from their herd. Last but not least, the USDA is injecting a "virus surrogate" into  and then cooking it at different temperatures to see how much virus is killed under each heat setting.

Still, the agency stressed this testing does not mean the beef supply is not safe.

"USDA is confident that the meat supply is safe. USDA has a rigorous meat inspection process" and "multiple safeguards in place to protect consumers," the agency said in a statement, CNN reported.

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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.