Bird flu: fifth premises near Thirsk, Thirsk and Malton, North Yorkshire (AIV 2025/38)

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry on 1 April 2025.

Case information

8 May

Following successful completion of disease control activities and surveillance within the zone around a fifth premises near Thirsk, Thirsk and Malton, North Yorkshire (AIV 2025/38), the 10km surveillance zone has been revoked.

28 April 2025

Following successful completion of disease control activities and surveillance within the zone around a fifth premises near Thirsk, Thirsk & Malton, North Yorkshire (AIV 2025/38), the 3km protection zone has ended and the area that formed it becomes part of the 10km surveillance zone.

1 April 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry at a fifth premises near Thirsk, Thirsk & Malton, North Yorkshire (AIV 2025/38).

A 3km protection zone and 10km surveillance zone has been declared around the premises. All poultry on the premises have been humanely culled.

Declarations

This revokes and replaces .

This revokes and replaces .

Further information

Check the updated .

Check if you need a licence to move poultry, poultry by-products, eggs, material or mammals.

Case number: AIV 2025/38

Updates to this page

Published 1 April 2025
Last updated 8 May 2025 show all updates
  1. Following successful completion of disease control activities and surveillance within the zone around a fifth premises near Thirsk, Thirsk and Malton, North Yorkshire (AIV 2025/38), the 10km surveillance zone has been revoked.

  2. Following successful completion of disease control activities and surveillance within the zone around a fifth premises near Thirsk, Thirsk & Malton, North Yorkshire (AIV 2025/38), the 3km protection zone has ended and the area that formed it becomes part of the 10km surveillance zone.

  3. First published.