Numbers of animals used in regulated procedures in 2021 In 2021, the University carried out 172,100 scientific procedures involving animals. The vast majority of these involved rodents, predominantly mice and rats (69.6%), and fish (26.4%). Species Number Percentage Rodents 119,763 69.6% Fish 45,462 26.4% Birds 6,132 3.6% Agricultural species (cattle, sheep, pigs) 558 0.3% Animals monitored in the wild (sheep, deer) 185 0.1% These figures are calculated each year based on data from annual returns that are prepared for the Home Office by every Project Licence holder. Severity Statistics Each regulated procedure is assigned a severity which describes the animal's experience. Figures for 2021 are available at the link below. Severity statistics 2021 This article was published on 2024-11-12
