Written Question·Home Office·UIN 90180

Animal Experiments: Rodents

Tabled: 12 November 2025
Answered: 19 November 2025

Question

Chris Evans

Labour (Co-op)Caerphilly

To ask the Secretary of State for the Home Department, what assessment she made of the trends in the numbers of imported mice used for animal testing in 2024.

Answer

Dan Jarvis
The number of mice born outside the UK and used for the first time in experimental procedures in 2024 was 21,287. While this is an increase of 4.6 per cent from 2023, the overall total number of procedures involving mice fell by 2.3 per cent from 2023 to ...

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