Bird flu: fourth premises near Market Weighton, East Riding of Yorkshire, Yorkshire (AIV 2025/20)

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in backyard poultry on 18 February 2025.

• From: Department for Environment, Food & Rural Affairs and Animal and Plant Health Agency
• Published: 18 February 2025
• Last updated: 16 March 2025 — See all updates

• Disease Type: Bird flu (avian influenza)
• Disease control zone restrictions: No longer in force
• Disease control zone type: None
• Virus strain: H5N1
• Case opened date: 18 February 2025

Case information

16 March 2025

Following successful completion of disease control activities and surveillance in the zone around the fourth premises near Market Weighton, East Riding of Yorkshire, Yorkshire (AIV 2025/20), the 3km captive bird (monitoring) controlled zone has been revoked.

18 February 2025

Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in backyard poultry at a fourth premises near Market Weighton, East Riding of Yorkshire, Yorkshire (AIV 2025/20).

A 3km captive bird (monitoring) controlled zone has been declared surrounding the premises. The affected birds on the premises will be humanely culled.

Declarations

Download the declaration of a revocation of the captive bird (monitoring) controlled zone (PDF)

This revokes and replaces the declaration of a captive bird (monitoring) controlled zone (PDF)

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: 2025/20

Published 18 February 2025

Last updated 16 March 2025 + show all updates

1. 16 March 2025

   Following successful completion of disease control activities and surveillance in the zone around the fourth premises near Market Weighton, East Riding of Yorkshire, Yorkshire (AIV 2025/20), the 3km captive bird (monitoring) controlled zone has been revoked.

2. 18 February 2025

   First published.