Research and analysis

Genetically Modified Organisms release: herpes virus of Turkey and avian influenza virus (25/R58/01)

Details of the consent for Department of Environment, Food and Rural Affairs (Defra) and the Animal and Plant Health Agency (APHA) to release a genetically modified organism, reference 25/R58/01.

• From: Department for Environment, Food & Rural Affairs and Animal and Plant Health Agency
• Published: 30 December 2025
• Last updated: 16 March 2026 — See all updates

Documents

Consent letter (reference 25/R58/01)

PDF, 163 KB, 4 pages

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email defra.helpline@defra.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Part A1-A6: Vaxxitek application form

PDF, 251 KB, 22 pages

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If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email defra.helpline@defra.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Part B: information about the release application to be included on the public register

PDF, 119 KB, 2 pages

This file may not be suitable for users of assistive technology.

Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email defra.helpline@defra.gov.uk. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

Consent documents for Defra and APHA to release genetically modified organisms for research purposes.

Each consent granted includes:

• Consent letter (confirming consent and outlining any conditions)
• Part A1-A6: Information required under schedule 1 of the Genetically Modified Organisms (Deliberate Release) regulations 2002
• Part B: Information about the release application to be included on the public register

ACRE advice

ACRE advice: application for a veterinary clinical study of genetically modified Herpes Virus of Turkeys (25/R58/01)

Published 30 December 2025

Last updated 16 March 2026 + show all updates

1. 16 March 2026

   Added consent letter and a new section to 'ACRE advice' linking application for a veterinary clinical study of genetically modified Herpes Virus of Turkeys (25/R58/01).

2. 30 December 2025

   First published.