The Ohio Department of Agriculture’s procedure is to quarantine the impacted facilities and to depopulate, or kill, the birds to prevent the disease from spreading.
The presence of highly pathogenic avian influenza (HPAI) was confirmed in 16 commercial poultry flocks in the United States over a two-day period.
Ohio leads the nation in recent bird flu cases among commercial poultry operations, with more than 4.1 million chickens and turkeys affected so far this year.
At the same time, high prices of poultry products and eggs in grocery stores - exacerbated by the impact of bird flu on flocks - are driving more shoppers to consider purchasing from local producers.
More than 6 million commercial birds tested positive for bird flu in the Miami Valley in 2025, according to ODA.
The latest data from the Animal and Plant Health Inspection Service of the USDA's Avian Influenza Tracker shows a significant impact in Ohio over the past 30 days.
Avian influenza, commonly known as bird flu, is suspected to be spreading among wild birds in Stark County, according to ODNR.
Bird flu has been detected in another commercial flock in western Ohio. The USDA confirmed that 1.4 million egg-laying chickens in Mercer County are affected by the virus. This comes weeks after avian influenza was detected in a large flock in nearby Darke County.
Avian influenza (HPAI) was detected in 1,432,000 chickens in Mercer County, , according to the USDA, just weeks after the Ohio Department of Agriculture confirmed the infection of 931,302 birds in
Both H9N2 and H5N1 were detected at the duck farm in Merced County, according to tests conducted by the US Department of Agriculture (USDA) National Veterinary Services Laboratory. The event began on November 23, with clinical signs that included increased deaths in the ducks.
Avian flu has been detected in a commercial flock of chickens in Pennsylvania for the first time in nearly a year, the state Department of Agriculture announced Monday. The positive test for a strain of highly pathogenic avian influenza turned up in samples from a flock of 50,
Ohio Department of Health director Dr. Bruce Vanderhoff has cautioned Ohioans to continue to take these illnesses seriously.