Five commercial poultry farms in four states have been infected with highly pathogenic avian influenza (HPAI), the United States Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) reported.
Four of the affected farms were turkey operations, while the other was an egg production operation.
HPAI in South Dakota
Two of the new cases to be reported were in South Dakota, and both involved meat turkeys. The larger of the two flocks was in McPherson County, with 61,800 turkeys involved. The other was in Yankton County, with 49,000 birds involved.
Both cases were confirmed on November 28.
With these two latest detections, South Dakota has now had 87 flocks affected by HPAI during the 2022-23 outbreak.
HPAI in Iowa
Avian influenza was confirmed in commercial egg laying flock in Sioux County, Iowa, on November 28.
This flock included about 1.6 million hens.
This is the second egg operation in Iowa to be struck by HPAI in 2023, with the other case being confirmed on November 14. The state has also had four commercial turkey flocks affected by HPAI in 2023.
In 2022, Iowa lost more birds to the virus than any other state with 15.92 million head of poultry lost.
HPAI in North Dakota
The presence of HPAI was confirmed in a commercial meat turkey flock in Dickey County, North Dakota on November 28. The affected flock included 60,300 birds.
This is the third commercial poultry farm in the state to have been affected by HPAI in 2023. In 2022, five commercial farms in North Dakota had positive HPAI detections.
HPAI in Minnesota
On November 27, the presence of HPAI was confirmed in a flock of 7,700 commercial turkey breeder hens.
This is the 105th commercial poultry operation in Minnesota to have been infected with HPAI during the 2022-23 outbreak.
View our continuing coverage of the global avian influenza situation.
To learn more about HPAI cases in commercial poultry flocks in the United States, Mexico and Canada, see an interactive map on WATTPoultry.com.
