Animal Experiments
The question
To ask the Secretary of State for the Home Department, with reference to her Department's report entitled Scientific procedures on living animals, Great Britain: 2024, published on 23 October 2025, what assessment she has made of (a) the number of animals used in experiments in British laboratories for (i) basic and (ii) applied research in 2024 and (b) trends in the number of animals used in experiments in British laboratories for (A) basic and (B) applied research.
Answered by Dan Jarvis
In 2024, there were 2.64 million regulated scientific procedures carried out in Great Britain involving living animals. This is a decrease of 1% on the previous year, and the lowest number since 2001.
The trends in the number of animals and types of procedures carried out each year are influenced by a range of extraneous factors, for example requirements for research and testing which include products being brought to market.
The Home Office is responsible for regulating under the Animals (Scientific Procedures) Act 1986 (ASPA) to assure compliance with protections afforded to animals used in science and to administrate the licensing framework. Data trends and requirements will be assessed by the authorities whom have particular responsibilities and requirements for the use of animals of science.
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