January 2, 2025: Highly Pathogenic Avian Influenza (Bird Flu) Detected in a Commercial Game Bird Flock in Butte County

Sacramento, CA – Following an investigation by the California Department of Food and Agriculture (CDFA) and rapid disease detection by California Animal Health and Food Safety Laboratory System (CAHFS), the U.S. Department of Agriculture's National Veterinary Services Laboratories (NVSL) has confirmed highly pathogenic avian influenza (HPAI) in a commercial game bird flock in Butte County. Animal Disease Emergency Responders are working with the flock owner to mitigate the spread of disease. Movement restrictions are currently in place for Butte County only.

This nationwide outbreak of HPAI began in 2022 and all US detections in poultry can be found here: 2022–2024 Detections of Highly Pathogenic Avian Influenza (usda.gov). Note that the website is updated at noon Eastern Standard Time.

For public inquiries regarding HPAI in California, please call 916-217-7517 or send an e-mail to cdfa.HPAIinfo@cdfa.ca.gov. For media inquiries, please call 916-654-0462 or send an e-mail to OfficeOfPublicAffairs@cdfa.ca.gov.