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SHIC Delivers Swine Health Information at Leman Conference

The Allen D. Leman Swine Conference, an annual educational event for the global swine industry, will take place September 20-23, 2025, at the RiverCentre in St. Paul, Minnesota. Swine veterinarians, pork producers, and other swine professionals will convene to attend the Leman Conference and learn the latest information and research outcomes in swine production, biosecurity, and animal health management. The Swine Health Information Center, a Leman Conference Program Partner, will have an informational display near the registration desk at the event. Drs. Megan Niederwerder and Lisa Becton will each chair breakout sessions sponsored by SHIC, covering both on-farm and transport biosecurity.  

On Monday, September 22, 2025, the main conference breakout session entitled “Opportunities for on-site biosecurity practices,” is scheduled from 3:30 – 5:00 p.m. The session is sponsored by SHIC and Dr. Megan Niederwerder will serve as chair. Presentations for this session include:  

Environmental contamination in dead boxes and composting bins of wean-to-finish farms 
Dr. Igor Paploski, University of Minnesota 
Airborne biosecurity: Comparison of air filtration and an electrostatic precipitator technology 
Mark Schwartz, University of Minnesota and Schwartz Farms 
Uncovering the gaps: Insights from PRRS outbreak investigations 
Dr. Christine Mainquist-Whigham, Pillen Family Farms and DNA Genetics  

On Tuesday, September 23, 2025, the main conference breakout session entitled “Addressing the market hog trailer biosecurity challenges,” is scheduled from 10:30 a.m. – 12:00 p.m. The session is sponsored by SHIC and will be chaired by Dr. Lisa Becton. Presentations for this session include:  

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What Causes Ear Necrosis in Pigs? - Alison Jeffery

Video: What Causes Ear Necrosis in Pigs? - Alison Jeffery



In this episode of The Swine it Podcast Show Canada, Alison Jeffery, a PhD candidate at the University of Saskatchewan, discusses emerging research on ear necrosis in pigs. She explains the role of Fusobacterium necrophorum, how ear biting may introduce bacteria into damaged tissue, and what researchers are learning about disease progression, welfare, prevention, and future management tools. Listen now on all major platforms!

"Ear necrosis is not only an infectious disease challenge, it is also a welfare issue shaped by behavior, tissue damage, and the farm environment."

Meet the guest: Alison Jeffery / alison-jeffery is a PhD candidate in Large Animal Clinical Sciences at the University of Saskatchewan. Her research focuses on improving swine health and welfare by understanding and mitigating ear necrosis in pigs. Her background includes swine research, producer support, laboratory work, and studies in animal science and veterinary microbiology. Learn more from Alison Jeffery on The Swine it Podcast Show Canada, available on all major platforms.