HPAI confirmed in commercial broiler flock in Missouri

Flock of 240,000 birds to be depopulated following discovery.

March 4, 2022

1 Min Read
HPAI confirmed in commercial broiler flock in Missouri
Credit: buhanovskiy/iStock/Thinkstock.

USDA’s Animal and Plant Health Inspection Service (APHIS) has confirmed the presence of highly pathogenic avian influenza (HPAI) in a flock of commercial broiler chickens in Stoddard County, Missouri.

Samples from the flock were tested at the University of Missouri Veterinary Medical Diagnostic Laboratory, part of the National Animal Health Laboratory Network, and confirmed at the APHIS National Veterinary Services Laboratories (NVSL) in Ames, Iowa.

APHIS is working closely with state animal health officials in Missouri on a joint incident response. State officials quarantined the affected premises, and the 240,000 birds on the properties will be depopulated to prevent the spread of the disease.

As part of existing avian influenza response plans, federal and state partners are working jointly on additional surveillance and testing in areas around the affected flock. The United States has the strongest AI surveillance program in the world, and USDA is working with its partners to actively look for the disease in commercial poultry operations, live bird markets and in migratory wild bird populations.

Anyone involved with poultry production is encouraged to review their biosecurity activities to assure the health of their birds.

USDA will report these findings to the World Organisation for Animal Health (OIE) as well as international trading partners. USDA also continues to communicate with trading partners to encourage adherence to OIE standards and minimize trade impacts. OIE trade guidelines call on countries to base trade restrictions on sound science and, whenever possible, limit restrictions to those animals and animal products within a defined region that pose a risk of spreading disease of concern.

All cases of HPAI in commercial and backyard flocks will continue to be listed on the APHIS website here.

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