Bird flu: seventh premises near Thirsk, Thirsk and Malton, Yorkshire (AIV 2025/43)

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry in a seventh premises near Thirsk, Thirsk and Malton, Yorkshire on 14 April 2025.

• From: Department for Environment, Food & Rural Affairs and Animal and Plant Health Agency
• Published: 14 April 2025

• Disease Type: Bird flu (avian influenza)
• Disease control zone restrictions: In force
• Disease control zone type: Protection zone and Surveillance zone
• Virus strain: H5N1
• Case opened date: 14 April 2025

Case information

14 April 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry at a seventh premises near Thirsk, Thirsk & Malton, Yorkshire (AIV 2025/43).

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

Download the declaration of an avian influenza protection zone and surveillance zone

Further information

Check:

• the updated bird flu disease control zone map
• if you need a licence to move poultry, poultry by-products, eggs, material or mammals

Case number: AIV 2025/43

Published 14 April 2025