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Cattle on feed reports show tighter supplies

U.S. cattle and calves on feed for feedlots with capacity of 1,000 or more head were estimated at 11.6 million on October 1, 2023, 1% higher than the same time last year,” says Ann Boyda, provincial livestock market analyst with the Alberta government. “Placements during September were 6% higher than 2022. Dryness in many parts of the U.S. pushed more cattle into feedlots. The pace of marketing slowed during September to 1.66 million head, 11% below 2022.”

Placements were up primarily in the cattle feeding areas of Kansas and Texas with increases of 60,000 and 55,000 head, respectively. California, Colorado and Idaho placed fewer cattle on feed than the year prior. Heifers on feed were at 4,635,000 head for October 1, 2023, a 1.3% increase over 2022 numbers which suggests little retention in the U.S.

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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.