Flocks of poultry in Dane, Jefferson and Walworth counties have been infected with highly pathogenic avian influenza, according to the Wisconsin Department of Agriculture, Trade and Consumer Protection.
The virus has been circulating across North America since 2021, infecting both wild and domesticated birds. The birds on the affected properties will be killed to prevent the further spread of disease, and DATCP has established a 10 kilometer control area around the infected premises in which the movement of poultry is restricted.
The infected birds in Dane County were in a backyard poultry flock while in Jefferson and Walworth counties the affected birds were in commercial flocks, according to DATCP…