Two more Wisconsin backyard flocks have been diagnosed with highly pathogenic avian influenza.

Kevin Hoffman with the Department of Agriculture, Trade, and Consumer Protection says 15 chickens, ducks, geese, and guinea hens in Marathon County and 8 chickens and ducks in Waukesha County have been depopulated to prevent the spread of the disease.

So far, 18 of Wisconsin’s 72 counties have been confirmed with avian influenza in domestic birds this year.

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