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New research investments support swine disease elimination

Disease elimination doesn’t happen with a single breakthrough. It happens when the industry asks and answers the hard questions that still stand in the way.

New research projects recently selected by the Swine Disease Research task force will address those hard questions. Each project aligns with the National Swine Health Strategy priority of eliminating endemic diseases, addresses key knowledge gaps and aims to deliver information to help producers make better herd health decisions.

The latest research investments concentrate on two diseases that continue to challenge U.S. pork production: porcine reproductive and respiratory syndrome virus and porcine epidemic diarrhea virus.

Collectively, these projects will help improve understanding about where these diseases persist, how they spread and which strategies may help move the industry closer to elimination.

PRRSV elimination: Understanding the virus

PRRSV remains one of the costliest diseases facing the U.S. pork industry. Producers and veterinarians have more tools than ever before, but important questions remain about how the virus evolves over time and which intervention strategies yield the best outcomes.

How do response strategies affect PRRSV evolution?
Researchers will examine how common PRRSV intervention strategies may influence the virus over time by studying outbreak data, viral genetics and production outcomes. The project aims to better understand how management decisions may shape viral diversity and recovery from outbreaks.

Key takeaway: Clearer guidance on which outbreak response strategies help move herds toward elimination while supporting herd stability and production recovery.

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Trending Video

PRRS Eradication Strategies - Dr. DeBuse and Dr. Tousignant

Video: PRRS Eradication Strategies - Dr. DeBuse and Dr. Tousignant


In this episode of The Swine it Podcast Show, Dr. Neil DeBuse from Kalmbach Feeds and Dr. Steve Tousignant from Vaxxinova US discuss PRRS management strategies, recombination risks, whole genome sequencing, and the role of autogenous immunization programs in swine systems. They highlight practical approaches to improving immunity, reducing outbreaks, and advancing PRRS control across production systems. Listen now on all major platforms!

"Being PRRS negative sooner is a real key for eradication because every additional positive week increases production losses and viral exposure risks." - Dr. Neil DeBuse

Meet the guest: Dr. Neil DeBuse is a veterinarian at Kalmbach Feeds with more than 30 years of experience in swine health and production. His work focuses on PRRS control, biosecurity, immunity, and improving production stability across commercial swine systems in the United States and internationally.

Dr. Steve Tousignant is Director of the Swine Business Unit and Technical Services Veterinarian at Vaxxinova US, with a DVM and PhD from the University of Minnesota. His experience combines epidemiology, technical services, and practical immunization strategies designed to support consistent herd performance and long-term production stability. Don’t miss the chance to be part of the Swine Inner Circle!