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Massive bird flu hit - Colorado takes action

State emergency declared as bird flu ravages poultry farm

By Farms.com

Colorado has been hit by a devastating bird flu outbreak, leading to the culling of nearly 1.8 million chickens and the declaration of a disaster emergency. 

The outbreak, centered in Weld County—the state's largest agricultural area—has prompted significant concern among agricultural and public health officials.

The state has enacted a quarantine in affected areas to limit the movement of poultry and reduce the spread of the virus.

This measure is part of broader efforts to manage the outbreak, which has also seen avian influenza cases in dairy cows—a concerning development for a state significant in dairy production.

The response includes leveraging state resources to support containment efforts at impacted farms and to ensure that the public is informed and protected.  

State epidemiologist Dr. Rachel Herlihy has highlighted that while the virus is spreading among animals, it is not yet a threat of human-to-human transmission. Nonetheless, individuals who frequently interact with affected livestock are advised to take preventive measures.

This outbreak is part of a broader national issue, with bird flu detected in multiple states across the U.S., affecting both poultry and dairy sectors.

Colorado officials continue to monitor and respond to these developments, emphasizing public safety and the health of the state's agricultural economy.


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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!