Update on Highly Pathogenic Avian Influenza in Wisconsin

New Cases of Highly Pathogenic Avian Influenza Identified in Three Counties

The Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP) has identified new cases of highly pathogenic avian influenza (HPAI) in Columbia, Polk and Sheboygan counties. DATCP and the U.S. Department of Agriculture (USDA) are working with animal health officials in response and depopulation efforts.

HPAI has now been found in seven domestic flocks across Wisconsin since March, when the virus was first confirmed in the state. The latest cases were identified in:

• Columbia County, backyard mixed species
• Sheboygan County, backyard mixed species
• Polk County, commercial poultry

“As avian influenza continues to affect poultry in Wisconsin and throughout the nation, we’re reminding flock owners that strong biosecurity is our best defense against this devastating disease,” said State Veterinarian Dr. Darlene Konkle. “We urge everyone working around poultry to increase their biosecurity measures and continue reporting signs of illness to help us prevent spread of the virus.”

Please keep watching DATCP’s HPAI in Wisconsin webpage for the latest resources and updates. Here are a few resources to protect your poultry flocks and learn more about HPAI.

• Frequently asked questions (updated 4/9/22)
• Poultry biosecurity guidelines
• Infographic: Knowing the symptoms
• USDA Defend the Flock program

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For more information, resources and updates on HPAI in Wisconsin, visit the DATCP website.