Question follow-through · 120393

Animal Experiments

To ask the Secretary of State for the Home Department, how many animals were used in LD50 tests to evidence compliance with UK-only regulations in each of the last five years.

answeredHome Office

About this written question

A written question asks a government minister for information in writing. Parliament publishes the question and any answer.

Answering body
Home Office
Tabled
12 Mar 2026
Target answer date
16 Mar 2026
Answer
19 Mar 2026 · 7 calendar days after tabling

Elapsed calendar days describe the record timeline, not whether Parliament considers an answer on time.

Recorded timeline

  1. 12 Mar 2026

    Question tabled

    To ask the Secretary of State for the Home Department, how many animals were used in LD50 tests to evidence compliance with UK-only regulations in each of the last five years.

  2. 16 Mar 2026

    Target answer date

    Date supplied by the official written-questions record.

  3. 19 Mar 2026

    Answer published

    The Home Office publishes detailed annual statistics on the use of animals in science, including procedures for acute and subacute toxicity testing which covers tests such as LD50 (Lethal Dose 50) and LC50 (Lethal Concentration 50). These figures represen...

Open official record

Official data retrieved 28 Sept 2026.

Later records

Possible follow-up questions

Strong links require the same MP, department and exact heading. Other same-department questions are shown as unreviewed candidates, not as confirmed follow-ups. No debate link is asserted unless a stable source relationship exists.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Animal Welfare: Disclosure of Information

23 Mar 2026 · To ask the Secretary of State for the Home Department, what assessment has she made of the potential merits of expanding the Police's right of disclosure to include incidents of animal abuse.

Strong linkSame MP, department and exact heading

Animal Experiments

22 Apr 2026 · To ask the Secretary of State for the Home Department, what recent assessment her Department has made of the robustness of the harm-benefit analysis of service licences, under the Animals (Scientific Procedures) Act 1986, using a) non-human primates b) pr

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Animal Experiments: Primates

22 Apr 2026 · To ask the Secretary of State for the Home Department, what recent assessment her Department has made of trends in the level of a) pain, b) suffering, c) distress and d) lasting harm caused to non-human primates recognised by service licences under Animal

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Animal Experiments: Dogs

22 Apr 2026 · To ask the Secretary of State for the Home Department, what recent assessment her Department has made of the level of a) pain, b) suffering, c) distress and d) lasting harm caused to dogs covered by service licences under the Animals (Scientific Procedure

Strong linkSame MP, department and exact heading

Animal Experiments

29 May 2026 · To ask the Secretary of State for the Home Department, what assessment she has made of the use of informal hierarchies of animal sentience by the Animals in Science Regulation Unit in discharging its duties under the Animals (Scientific Procedures) Act 19

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Animal Experiments: Shellfish

29 May 2026 · To ask the Secretary of State for the Home Department, what steps is she taking to (a) reduce the numbers of decapod crustaceans used in scientific procedures and (b) strengthen expertise of these creatures within the Animals in Science Regulation Unit.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Animal Experiments: Licensing

3 Jun 2026 · To ask the Secretary of State for the Home Department, with reference to guidance entitled Research and testing using animals: licences and compliance published by the Animals in Science Regulation Unit (ASRU) in 2013, whether such policies on on the nami

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Animal Experiments: Licensing

3 Jun 2026 · To ask the Secretary of State for the Home Department, with reference to guidance entitled Research and testing using animals: licences and compliance published by the Animals in Science Regulation Unit (ASRU) in 2013, whether she plans to update included

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Police: Wales

4 Jun 2026 · To ask the Secretary of State for the Home Department, what discussions she has had with a) the Welsh Government and b) Welsh policing and criminal justice partners on i) future partnership and ii) governance arrangements for policing.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Police: Reviews

4 Jun 2026 · To ask the Secretary of State for the Home Department, when the Independent review of police force structures will report their findings; and when she plans to publish that review.

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Animal Experiments: Shellfish

4 Jun 2026 · To ask the Secretary of State for the Home Department, pursuant to the Answer of 4 June 2026 to Question 4425, what comparative assessment she has made of the potential merits of a) industry led welfare standards for decapods, supported by voluntary repor

Unreviewed candidateSame MP and department; topic relationship is unreviewed

Domestic Abuse

8 Jun 2026 · To ask the Secretary of State for the Home Department, what recent assessment she has made of the potential role of faith-based organisations in (a) supporting victims of domestic abuse and (b) contributing to the domestic abuse pathway.