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Securing America's grain bins from extreme weather

By Farms.com

Rural America's grain bins, crucial yet vulnerable, are the focus of a new research initiative by University of Nebraska–Lincoln's Christine Wittich. Armed with a $615,387 grant from the National Science Foundation, Wittich aims to bolster these essential structures against natural disasters such as earthquakes and wind storms.

The importance of grain bins extends beyond mere storage; they are integral to the nation’s food supply and agricultural economy. Traditionally designed for internal pressure, their weakness against external natural forces became evident after the 2020 derecho in Iowa, which caused catastrophic damage and economic losses.

Wittich's research methodology combines cutting-edge numerical models with practical experiments. This includes testing grain bins in high-wind scenarios at the Wall of Wind facility in Florida and simulating earthquake effects in Nebraska’s Scott Engineering Center. These experiments are critical in developing new standards that could transform how grain bins are constructed.

Wittich is deeply committed to educational outreach. Her project includes engaging middle and high school students from rural areas, introducing them to structural engineering principles and potential career paths within their communities. This effort aims to reduce the disparity in engineering education between urban and rural students and inspire future generations to contribute to their community’s resilience.

By addressing both the physical and educational aspects of rural engineering, Wittich’s work not only seeks to protect agricultural infrastructure but also to empower rural communities, ensuring they are better equipped to face the challenges of natural disasters.


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What Happens When Pigs Adapt to High Soybean Meal Diets? - Gustavo Lima

Video: What Happens When Pigs Adapt to High Soybean Meal Diets? - Gustavo Lima



In this special rerun episode of The Swine Nutrition Blackbelt Podcast, Gustavo Lima, PhD candidate in Animal Science at Iowa State University, discusses how grow-finish pigs respond to high soybean meal diets. He explains the initial drop in feed intake, changes in backfat, later adaptation, energy efficiency, amino acid utilization, and the rise in nitrogen excretion at higher inclusion levels. Listen now on all major platforms!

Click here to read the full research article: https://academic.oup.com/jas/article/...

“Once they got adapted to the diet, they can handle higher levels of inclusion of soybean meal.”

Meet the guest: Gustavo Lima / gustavo-lima-a9867127 is a PhD candidate in Animal Science at Iowa State University whose work focuses on swine nutrition, ingredient characterization, energy metabolism, caloric efficiency, and applied data analysis. With more than 15 years of experience in swine production across Latin America, Gustavo also brings expertise in environmental control, performance evaluation, barn ventilation, and grow-finish housing. Learn more from Gustavo Lima on The Swine Nutrition Blackbelt Podcast, available on all major platforms.