The presence of highly pathogenic avian influenza (HPAI) was confirmed on December 3 in a commercial broiler flock in Fresno County, California.
According to information from the United States Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) there were 237,100 birds in that flock.
With this latest confirmed case of HPAI, California has now had 35 commercial poultry flocks affected by HPAI in 2024. Of those, 11 are in Fresno County, representing the broiler, turkey and duck industries.
Throughout the 2022-24 HPAI outbreak, California has had 72 flocks affected by the virus. In 2022, 15 commercial flocks were affected, and in 2023, that number increased to 22.
Update on Oklahoma HPAI situation
The Oklahoma Department of Agriculture, Food and Forestry earlier reported that HPAI had been detected in a commercial poultry flock in Adair County, but limited other information was made available at the time.
An update on the APHIS website revealed that the Adair County flock was a broiler breeder flock, and 51,600 birds were involved. The Oklahoma flock infection was also confirmed by APHIS on December 3.
Oklahoma has only had one other commercial poultry flock infection during the 2022-24 outbreak, with that occurring in April 2022.
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.
