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Federal Government Aims to Track And Reduce Farming’s Carbon Footprint – But Is It Enough?

A farmer in Iowa plants soybeans, without tilling, across his land filled with cereal rye cover crops. The USDA invested in conservation programs that encourage climate-friendly farming, like planting cover crops and tilling less land.

Last summer, the department spent nearly $20 billion on conservation programs that encourage climate-friendly farming. That includes planting cover crops like beans and peas, which help soils absorb carbon year-round. And tilling less farmland to keep more carbon stored in soils rather than being released into the atmosphere.

Now, the department plans to spend $300 million more on national research networks. One network will measure the effectiveness of climate-friendly practices; another will monitor levels of greenhouse gas emissions released through crop and livestock production. That data will be collected over the next decade.

Anne Schechinger of the Environmental Working Group, a nonpartisan research and advocacy organization, said the move is a “step in the right direction, but many years late.”

“In 10 years, when we have all the data, is it going to be too late to really be reducing emissions?” the agricultural economist added. “So many other sectors – transportation, energy – are working on reducing emissions. And so it’s really important for agriculture to be doing that right now.”

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Porcine Gut Models in Nutrition Research - Dr. Li-Hsuan Chen

Video: Porcine Gut Models in Nutrition Research - Dr. Li-Hsuan Chen



In this episode of The Swine Nutrition Blackbelt Podcast, Dr. Li-Hsuan Chen, postdoc researcher at Aarhus University, discusses how porcine intestinal cell lines and organoids can help study the impact of nutrition on gut health. He explains how in vivo piglet trials identify diet-driven shifts in microbiota and metabolites, while in vitro models allow researchers to test specific metabolites, barrier function, immune markers, and future organ-on-chip systems before moving back to animal studies. Listen now on all major platforms!

"In vitro models can reduce early animal use by helping researchers screen nutritional candidates before moving back to in vivo trials."

Meet the guest: Dr. Li-Hsuan Chen / li-hsuan-chen-9a95a7279 is a postdoc researcher at Aarhus University in Denmark. Research focuses on porcine gut health, host-microbe interactions, cell lines, and organoids, with PhD work at Aarhus University studying how dietary protein and amino acid levels shape gut microbiota, microbial metabolites, and intestinal epithelial responses. Learn more from Dr. Li-Hsuan Chen on The Swine Nutrition Blackbelt Podcast, available on all major platforms.