Each regulated procedure is assigned a severity which describes the animals experience. In 2023, the University carried out 139881 scientific procedures involving animals. The actual severities are detailed in the table below. SpeciesNon-recoverySub-thresholdMildModerateSevereTotalRodents1921(2.0%) 54280(57.3%)20177(21.3)16556(17.5%)1827(1.9%)94761Fish374(0.9%)24935(58.4%)16718(39.2%)625(1.5%)13(0.03%)42665Birds01057(66.1%)528(33.0%)14(0.9%)0 1599Agricultural species (cattle, sheep, pigs)167(29.9%)50(9.0%)230(41.2%)109(19.5%)2(0.4%) 558Animals monitored in the wild (sheep, deer)0 0298(100%)00298Total24628032237951173041842139,881Percentage1.8%57.4%27.1%12.4%1.3%100% Image Archive Severity statistics 2022Severity statistics 2021Severity statistics 2020Severity statistics 2019Severity statistics 2018Severity statistics 2017 This article was published on 2025-06-11