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Farmers Disappointed With Lack of Clarity Around 45Z

The Department of Treasury released more details today about a tax credit, known as 45Z, that is designed to help the biofuel industry make inroads into the aviation sector. 

While today’s news included more information, corn grower leaders said they still need better clarity about the specific environmental practices that will be required for accessing the credit. 

“This is disappointing news for growers,” said Iowa Corn Growers Association President Stu Swanson. “We have continually advocated for clear guidelines from Treasury officials, working to provide them with the necessary information they need to get this done. Unfortunately, it feels like our input has gone unrecognized and this issue will now be passed to the new administration.”   

The 45Z tax credit was part of the Inflation Reduction Act, which was signed into law in 2022. The law provides tax incentives to refineries that produce biofuels that can be used in commercial aircraft to lower greenhouse gas emissions.

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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.