Avian influenza reported in poultry in Judith Basin and Cascade counties

Department of Livestock

HELENA - Montana Department of Livestock announced April 8 the confirmation of Highly Pathogenic Avian Influenza in two domestic flocks in Montana.

These are the first cases of HPAI reported in domestic poultry in Montana since 2015. Montana is the 25th state to report cases of HPAI in domestic poultry in 2022.

Avian influenza is an infectious viral disease of birds that can cause high mortality rates in domestic flocks. Migratory waterfowl are the primary source for avian influenza - AI. Wild birds can be infected and appear healthy but shed virus in the f...