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Canada Swine Health Alert Update

Canada Swine Health Alert Update
May 18, 2026
By Farms.com

Latest report highlights PED risks and biosecurity vigilance

The Canada West Swine Health Intelligence Network (CWSHIN) has released an update on swine disease activity across Canada. The report provides important information for farmers to help them manage risks and maintain herd health. 

Porcine Epidemic Diarrhea (PED) and Porcine Deltacoronavirus (PDCoV) continue to be monitored across the country. Western Canada is managing these diseases fairly well, although some cases are still present.  

Manitoba currently has active cases of both PED and PDCoV. Alberta reported only one isolated PED case earlier in the year, and no new cases have been detected since then. 

However, Ontario is experiencing a higher level of disease activity for both PED and PDCoV. This increases the overall risk for nearby regions. Farmers and producers are advised to remain alert and take preventive steps to reduce the spread of infection.  

Transport vehicles, especially those returning from high-risk areas such as the United States or Eastern Canada, should be handled with extra care. Proper cleaning and disinfection practices are essential. 

In positive news, Senecavirus A (SVA), which had been reported in late 2025, has now been successfully controlled. There are currently no active SVA cases in Canada. This indicates effective disease management and monitoring efforts. 

Another concern highlighted in the report is pseudorabies, also known as Aujeszky’s disease. While Canada remains free from this disease, recent cases in United States swine herds have raised awareness. Farmers should continue to follow strong biosecurity measures to prevent its introduction. 

Pseudorabies can affect pigs of different ages in various ways. Common signs include fever, low energy, loss of appetite, and breathing problems. Young pigs are more vulnerable and may show serious neurological symptoms such as seizures, tremors, and difficulty moving, often leading to high mortality. 

Older pigs may experience breathing issues and slower growth, while breeding animals can face reproductive problems such as abortions, stillbirths, or weak piglets. In some cases, temporary infertility may also occur. 

Photo Credit: pexels-barbara-barbosa


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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!