Another flock with avian flu confirmed in Montana

Press release

HELENA — The Montana Department of Livestock confirmed Friday, April 14, that highly pathogenic avian influenza in a Rosebud County backyard poultry flock.

This is the 17th HPAI affected flock in the state of Montana linked to the 2022 outbreak of HPAI infections in the United States. The last previous confirmation in of the disease on poultry in Montana was in January.

The disease killed all of the chickens in the Rosebud County backyard flock, which numbered several dozen birds. The animals did not show obvious signs of illness prior to sudden death. To prevent further spread,...