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Why the Decline in the Heart of Farm Tractor Sales in 2024

Glass Management Group has maintained data on U.S. tractor sales, by horsepower category, by month, since 1969 and this extensive data base has allowed the production of an annual Tractor and Combine Sales Forecast each November for the following calendar year, which has been published publicly since 1999.

As we reviewed our 2024 forecast versus the actual retail activity each month, we noted with the March AEM Flash Report that the retail activity in the Less than 40 HP and in the 40 – 100 HP tractor categories were significantly below our forecasted levels and that sent us back to determine why we had such a serious miss in our forecasting efforts. 

As the year has unfolded, two of those categories have fallen below our forecasted totals for the year-to-date totals, even though the total numbers of tractors forecasted for both categories were down significantly from 2023 levels. The <40 HP category is now about -20.1% below our original year-to-date forecast from November, 2023 while the 40 – 100 HP category remains significantly below our forecast, by -19.6%. 

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

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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.