The University reports the number of animals that are used in research by species each year. In 2024, the University carried out 136,862 scientific procedures involving animals. The vast majority of these involved rodents (64.30%), and fish (31.97%) (see table ). SpeciesNumber of ProceduresPercentage of Grand TotalRodents8800864.30%Mice7828657.20%Rats95987.01%Spiny mice600.04%Wood mice640.05%Fish4376031.97%Zebrafish (Danio rerio)4376031.97%Bird34732.54%Chickens (Gallus gallus domesticus)34732.54%Wild animals monitored in the wild or captured and released11550.84%Sheep2030.15%Red deer 670.05%Flatfish 1130.08%Mice3520.26%Wood mice4200.31%Agricultural species4650.34%Cattle1750.13%Pigs1140.08%Sheep1760.13%Client-owned animals involved in studies aimed at improving care for sick animals10.00%Horses10.00%These figures are calculated each year based on data from annual returns that are prepared for the Home Office by every Project Licence holder. This article was published on 2026-03-25
