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

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 will be humanely culled.

Further information

Check the updated bird flu disease control zone map.

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