
Wisconsin Department of Agriculture Provides Update on HPAI/H5N1 in Dairy Cattle in Wisconsin
In December 2024, the Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP) identified three cases of highly pathogenic avian influenza (HPAI H5N1) in poultry flocks. Nationally, the U.S. Department of Agriculture (USDA) has confirmed 36 cases of H5N1 in livestock across four states in the last 30 days.

California Confirms First H5N1 Outbreak in Dairy Cattle: What You Need to Know
In a concerning development for California’s dairy industry, the California Department of Food and Agriculture (CDFA) confirmed on August 30 that H5N1 has been detected in dairy cattle across three herds. This marks the state’s first confirmed cases of the highly pathogenic avian influenza (HPAI) virus in cattle.