ByKaren Graham
PublishedNovember 26, 2022
A scientist harvests H7N9 virus growing in bird eggs. The Centers for Disease Control and Prevention received samples of the virus from China.
— James Gathany/CDC/Douglas E. Jordan / (CC0 1.0)
Avian flu wiped out 50.54 million birds in the United States this year, making it the country’s deadliest outbreak in history, U.S. Department of Agriculture data showed on Thursday.
The deaths of chickens, turkeys, and other birds represent the worst U.S. animal-health disaster to date, topping the previous record of 50.5 million birds that died in an avian-flu outbreak in 2015.
The U.S. outbreak began in February and impacted poultry and non-poultry birds across 46 states. As of November 15, the Animal and Plant Health Inspection Service (APHIS) has confirmed avian flu in 264 commercial flocks and 356 backyard flocks.
Turkey farms accounted for more than 70 percent of the commercial poultry farms infected in the outbreak, the USDA said.
Birds often die after becoming infected. Entire flocks, which can top a million birds at egg-laying chicken farms, are also culled to control the spread of the disease after a bird tests positive.
Losses of poultry flocks sent prices for eggs and turkey meat to record highs, worsening economic pain for consumers facing red-hot inflation and making Thursday’s Thanksgiving celebrations more expensive in the United States, reports NBC News.
Europe and Britain are also suffering their worst avian-flu crises, and some British supermarkets rationed customers’ egg purchases after the outbreak disrupted supplies.
“Wild birds continue to spread highly pathogenic avian influenza (HPAI) throughout the country as they migrate, so preventing contact between domestic flocks and wild birds is critical to protecting U.S. poultry,” said Rosemary Sifford, the USDA’s chief veterinary officer.
Farmers struggled to keep the disease and wild birds out of their barns after increasing security and cleaning measures following the 2015 outbreak. In 2015, about 30 percent of the cases were traced directly to wild bird origins, compared to 85 percent this year, the USDA told Reuters.
Avian flu wiped out 50.54 million birds in the United States this year, making it the country’s deadliest outbreak in history, U.S. Department of Agriculture data showed on Thursday.
The deaths of chickens, turkeys, and other birds represent the worst U.S. animal-health disaster to date, topping the previous record of 50.5 million birds that died in an avian-flu outbreak in 2015.
The U.S. outbreak began in February and impacted poultry and non-poultry birds across 46 states. As of November 15, the Animal and Plant Health Inspection Service (APHIS) has confirmed avian flu in 264 commercial flocks and 356 backyard flocks.
Turkey farms accounted for more than 70 percent of the commercial poultry farms infected in the outbreak, the USDA said.
Birds often die after becoming infected. Entire flocks, which can top a million birds at egg-laying chicken farms, are also culled to control the spread of the disease after a bird tests positive.
Losses of poultry flocks sent prices for eggs and turkey meat to record highs, worsening economic pain for consumers facing red-hot inflation and making Thursday’s Thanksgiving celebrations more expensive in the United States, reports NBC News.
Europe and Britain are also suffering their worst avian-flu crises, and some British supermarkets rationed customers’ egg purchases after the outbreak disrupted supplies.
“Wild birds continue to spread highly pathogenic avian influenza (HPAI) throughout the country as they migrate, so preventing contact between domestic flocks and wild birds is critical to protecting U.S. poultry,” said Rosemary Sifford, the USDA’s chief veterinary officer.
Farmers struggled to keep the disease and wild birds out of their barns after increasing security and cleaning measures following the 2015 outbreak. In 2015, about 30 percent of the cases were traced directly to wild bird origins, compared to 85 percent this year, the USDA told Reuters.
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