USDA increases efforts to protect poultry from avian influenza

The department has expanded wild bird surveillance
calendar icon 18 February 2022
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The United States Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) has announced the expansion of wild bird surveillance for avian influenza to include the Mississippi and Central Flyways. The expansion also enlarged the existing surveillance program in the Atlantic and Pacific Flyways, which is in place to conduct surveillance of birds that may interact with wild birds from Europe and Asia.

APHIS confirmed highly pathogenic avian influenza (HPAI) in wild birds in several states in the Atlantic Flyway in January as well as in a commercial turkey flock in Indiana on 8 February, and this additional surveillance will increase its ability to track the disease throughout the United States.

Wild bird surveillance provides an early warning system for the introduction and distribution of avian influenza viruses of concern in the United States. This surveillance also ensures APHIS and the poultry industry are able to enhance biosecurity measures and rapidly respond to reduce the risk of disease spread.

The National Wildlife Disease Program is focused on collecting 16,500 samples in 25 states. Adding surveillance in the Mississippi and Central Flyways will involve collecting an additional 14,500 wild bird samples for a total of more than 31,000 wild bird samples in 49 states.

Conducting surveillance sampling in all four Flyways will assist efforts to better understand the presence of variants of concern and help us monitor movement of avian influenza strains along migratory pathways.

Increased surveillance of the Flyways will include:

  • Sample collection in targeted watersheds in the Central and Mississippi Flyways
  • Opportunistic sampling of wild bird species obtained through agency removal programs, such as at airports or for crop damage management, airport removal and other agency captures
  • Coordination with State Department of Wildlife/Natural Resources during bird banding operations
  • Continued vigilance and investigation of wild bird morbidity and mortality events
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