Bird Flu Wisconsin: New Case in Racine County

The latest bird flu Wisconsin case has been confirmed in a backyard poultry flock in Racine County, marking the state’s sixth detection of the virus this year.

State agriculture officials said 121 chickens were placed under quarantine after highly pathogenic avian influenza was found at the operation. The flock was likely infected through contact with wild waterfowl, and poultry farms within a six-mile radius have been placed under surveillance.

Sixth Detection of 2026

The case adds to a punishing year for Wisconsin poultry. The state has already lost two backyard flocks and three commercial flocks to bird flu in 2026, leading to the euthanasia of more than 2.8 million birds.

Avian influenza spreads quickly among birds and can devastate commercial operations within days. While the risk to the general public remains low, the economic toll on farmers is severe, with entire flocks lost in a single outbreak.

Biosecurity Advice for Flock Owners

Officials from the Wisconsin Department of Agriculture, Trade and Consumer Protection are urging poultry owners to tighten biosecurity — limiting contact between domestic birds and wildlife, disinfecting equipment and monitoring flocks for signs of illness.

Wild waterfowl are the primary reservoir for the virus, which is why fall migration season brings heightened risk. Backyard keepers, who may lack the strict controls of commercial farms, are especially urged to stay vigilant.

Consumers should know that poultry products from inspected sources remain safe to eat, and properly cooked poultry poses no risk. Wisconsin’s experience mirrors a national pattern, with outbreaks flaring wherever migratory birds and domestic flocks cross paths.

*Source: Wisconsin Farmer*