The Montana Department of Livestock (MDOL) confirmed an incident of highly pathogenic avian influenza a Glacier County poultry flock last week, according to a press release

This is Montana’s 18th affected flock linked to the ongoing national HPAI outbreak which began in early 2022. The department is also awaiting confirmation of a backyard flock in Flathead County. The last confirmed infection in Montana was April 2023.

This particular variant is spread from migratory waterfowl and infections in domestic poultry follow the spring and fall migrations. This pattern is consistent with detections in South Dakota, Idaho, and New Jersey, as well as Canada and several other countries, in the last 30 days as the fall migration is underway. Read more