HPAI hits Sioux County layer chicken farm

The outbreak, the first in Iowa this year, resulted in the loss of 4.2 million birds.

An Iowa layer chicken farm last week became the first commercial operation in the state this year to experience a Highly Pathogenic Avian Influenza (HPAI) outbreak. 

The outbreak, announced by the Iowa Department of Agriculture and Land Stewardship (IDALS) May 28, resulted in the depopulation of 4.2 million chickens at a Sioux County facility. The last commercial outbreak in Iowa occurred in November 2023, also at a...