#USA, #Connecticut: Highly Pathogenic Avian #Influenza #H5N1 Detected in New London County #Backyard #Poultry Flock

(HARTFORD, CT) – Connecticut Department of Agriculture (CT DoAg) advises that Highly Pathogenic Avian Influenza (HPAI) H5N1, or bird flu, was confirmed in a backyard flock located in New London County on Wednesday, January 15, 2025. 

The backyard flock, consisting of chickens, ducks, and peacocks, were family pets, not commercial poultry, and had close contact with wild waterfowl in a nearby pond.

Samples were sent to the Connecticut Veterinary Medical Diagnostic Laboratory (CVMDL) for testing. The results from CVMDL were then confirmed by the United States Department of Agriculture National Veterinary Services Laboratory (NVSL) in Ames, Iowa. H5N1 is highly contagious among domestic poultry, and at this time there is no effective treatment or approved vaccine for the virus in poultry. The infected flock has been depopulated to prevent spread of the disease.

“Collaboration between state and federal partners is essential in preventing the spread of highly pathogenic avian influenza in poultry and safeguarding the health of our farmworkers,” said Agriculture Commissioner Bryan P. Hurlburt. “Through a united approach we are able to swiftly identify and respond to protect our food supply and ensure the health of our communities.”

All poultry owners and producers are advised to enhance biosecurity protocols to protect their backyard and commercial poultry flocks against H5N1.

“Biosecurity is the best defense for a flock owner to protect their birds from disease,” said State Veterinarian Dr. Thamus Morgan, DVM, MPH, DACVPM. “This should be top of mind for commercial and backyard hobby owners – we must all work together – to reduce the risk.”

Biosecurity Tips

-- Poultry biosecurity materials and checklists can be found on the USDA’s Defend the Flock website. Best practices include:

- Keep wild birds and rodents out of poultry houses and coops.

- Don’t let poultry have contact with migratory waterfowl or other wild birds.

- Wash hands and boots before and after entering the poultry area.

- Buy birds from reputable sources to receive heathy birds.

- Restrict traffic onto and off your property.

- Have a written biosecurity plan in place.

Signs of H5N1 infection include sudden increase in bird deaths, sneezing, coughing, nasal discharge, watery or green diarrhea, lack of energy, poor appetite, drop in egg production, swelling around the eyes, neck, and head, and purple discoloration of wattles, combs, and legs.

Flock owners are encouraged to report anything unusual, especially sick or dead birds, to CT DoAg at 860-713-2505 or ctstate.vet@ct.gov or the USDA at 866-536-7593.

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Source: Department of Agriculture, https://portal.ct.gov/doag/press-room/press-releases/2025/january/highly-pathogenic-avian-influenza-h5n1-detected-in-new-london-county-backyard-flock

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