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Driving Science Forward: Reflections on 50 Years of the Leman Swine Conference

For 50 years, the Allen D. Leman Conference has brought solutions to confront challenges faced by global swine health and production.

On a fall day in 1974, the seats in a small University of Minnesota lecture hall began to fill. The audience, while eager to learn, wasn’t made of the usual college students. They were swine veterinarians assembled for the inaugural Minnesota Swine Disease Conference, hosted by the University of Minnesota College of Veterinary Medicine (CVM) and the Extension Service. That first gathering seemed unremarkable, but over the past 50 years, the annual conference has had an impact beyond measure.

“The impact is on more than just swine medicine—it’s the whole swine industry addressing problems,” says Tom Molitor, a longtime CVM faculty member who has attended and helped organize the conference for 44 years. “This meeting brings the best scientists, veterinarians, and production people together and uses science to address emerging problems in the swine industry. Whether it’s infectious diseases or other issues, we come together to create solutions.”

In the decades since that first gathering, the conference—now known as the Allen D. Leman Conference—has become a driving force in improving swine health and production on a global scale. As one of the largest annual swine educational events, it brings together veterinarians, scientists, producers, and professionals from across the world to learn, innovate, and celebrate the science advancing the industry.

It’s a combination that sets the Leman Conference apart from other events within the industry and has grown its reputation through the decades. Starting as a humble series of presentations, the conference has expanded to nearly 1,000 attendees and features dozens of speakers, sessions, and workshops held over four days.

That success story starts with the Leman Conference’s focus—science-driven solutions—and its ability to put people from across the swine industry in the room together to share knowledge and collaborate on solving problems.

Early Years

The idea to bring people together to improve swine health and production took root in the mind of a man named Al Leman more than 50 years ago. Watch: Al Leman’s legacy

Leman joined the UMN as an Extension veterinarian in 1973, with a vision of developing a multidisciplinary team of scientists focused on one species: pigs. This foresight would lay the foundation for the University’s Swine Group and an educational conference focused on swine.

Together with Jim Hanson, director of CVM’s continuing education program, Leman gathered Minnesota swine veterinarians for the first Minnesota Swine Disease Conference—and it was a hit. Word spread and more swine health experts sought to attend and present each year.

The format appealed to Tom Wetzell, a veterinarian who has worked as a swine consultant for more than 40 years and become a regular attendee of the conference.

“Each year, somebody from these different practices would bring case studies to the group, and they were really intriguing at that time,” he says. “It would be perplexing cases that people were trying to figure out in production medicine—and you’d try and talk about those issues in a group setting there.”

Soon, swine producers and professionals also wanted a seat at the table to discuss and confront the problems they faced.

For over a decade, Leman was the conference’s driving force, as he worked to define the link between swine disease and swine production. After he left his full-time position at the University in the mid-1980s, CVM professor Bob Morrison would eventually take the conference’s helm. Like Leman, Morrison was passionate about the swine industry and helping veterinarians and producers address their challenges.

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