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Highly Pathogenic Avian Influenza Found in Rock County

According to a press release from the Wisconsin Department of Agriculture - Trade and Consumer Protection, highly pathogenic avian influenza has been confirmed in a backyard flock in Rock County. This is the second confirmed case of HPAI in a domestic flock this year. Samples were tested by the Wisconsin Veterinary Diagnostic Laboratory and confirmed by the National Veterinary Services Laboratories, and birds on the property have been depopulated to prevent the spread of the disease. According to the U.S. Centers for Disease Control and Prevention, HPAI does not present an immediate public health concern, and does not pose a food safety risk, as properly handling and cooking poultry and eggs to an internal temperature of 165˚F kills the virus.

Signs of HPAI in infected birds include:

Sudden death without clinical signs

Lack of energy or appetite

Decrease in egg production; soft, misshapen eggs

Purple discoloration of wattles, comb, and legs

Difficulty breathing

Runny nose, coughing, sneezing

Stumbling or falling down


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