United Kingdom · Question · Written question
UIN 96751
Animal Experiments
Original
Introduced
3 December 2025
Last action
10 December 2025 · Answer
Status
Answered
Sponsors
—
Subjects
Discovery layer
Source updated
10 December 2025
Summary
To ask the Secretary of State for the Home Department, what estimate she has made of the number of animals involved in LD50 tests by type of animal; and what assessment she has made of the effectiveness of those tests.
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Timeline
3 December 2025
Written question
To ask the Secretary of State for the Home Department, what estimate she has made of the number of animals involved in LD50 tests by type of animal; and what assessment she has made of the effectiveness of those tests.
Source: Commons
10 December 2025
Answer
The Home Office publishes detailed annual statistics on the use of animals in science, including procedures for acute and sub-toxicity testing methods such as LD50 (Lethal Dose 50) and LC50 (Lethal Concentration 50). According to the latest published figu...
Source: Written answer
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- · Home Office · Answering body
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Sources
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- Official source: https://questions-statements.parliament.uk/written-questions/detail/2025-12-03/96751
- Open data entity: https://questions-statements-api.parliament.uk/api/writtenquestions/questions/1859952
- uk · wq-1859952 · source updated 10 December 2025