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Animal Experiments

Asked by Mr Richard HoldenConservativeHome OfficeTabled Answered 18 March 2025UIN 37318

The question

To ask the Secretary of State for the Home Department, how many animals were housed in UK (a) laboratories, (b) breeding centres and (c) universities but not used in scientific procedures in 2023; and how many animals were not used in scientific procedures and euthanised in 2023.

Answered by Dan Jarvis

The available data in this area was most recently set out in Annual Statistics of Scientific Procedures on Living Animals, Great Britain 2023, published on 11 September 2024. The statistics provide full details on the number of licensed procedures carried out, the species of animals and the purposes for which the procedures have been undertaken. The 2023 Annual Statistics show that 2.68 million scientific procedures involving living animals were carried out in Great Britain in 2023; this is a decrease of 3% on last year and the lowest number since 2001.

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