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Taiwan Confirms ASF Case Genetically Linked to China and Vietnam What It Means for Global Pork Biosecurity

Taiwanese animal health authorities have confirmed that the African Swine Fever (ASF) virus detected at a Taichung pig farm in late October is almost genetically identical to strains circulating in China and Vietnam. Lab sequencing shows a 99%+ match, indicating the virus likely originated from the same regional lineage now moving through Asia.

Although Taiwan has not faced widespread ASF on commercial farms, this event reinforces how quickly the virus can cross borders despite strict import controls and island geography.

Rapid Response, No Secondary Farm Cases

Following the discovery, more than 5,000 farms were inspected, and additional testing across the region has so far returned negative results. Environmental sampling on the affected site did show viral remnants, prompting large-scale cleanup and disinfection efforts, including assistance from military personnel.

Taiwan will need to maintain at least three months without new cases before it can begin the process of re-establishing ASF-free status.

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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!