New bird flu case reported in northwest Iowa

DES MOINES — A case of Highly Pathogenic Avian Influenza has been reported in northwest Iowa’s O’Brien County.

The US Department of Agriculture and the Iowa Department of Agriculture and Land Stewardship made the announcement on Sunday saying that a new case had been detected in a commercial layer flock in O’Brien County. It’s the second detection of the bird flu within domestic birds in 2025.

The Iowa Department of Ag continues to strongly encourage Iowa poultry producers and dairy farmers to bolster their biosecurity practices and protocols to protect their flocks and herds.

The Iowa Department of Agriculture on December 16th announced that an avian influenza case in  a commercial turkey flock in Worth County had been detected.