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The procedure involves different dosages of the substance being injected into mice to determine the amount at which half of the test subjects die. The half that survive the test are euthanised anyway. It said certain drug manufacturers have replaced most animal tests with cell-based experiments, but the technology behind these is not shared with other firms, which therefore continue to use live subjects.
A total of 100,848 mice were used in batch potency testing in 2020, which represented an increase from the 92,887 used during the previous year. Some 138,846 were used in 2018, while 192,015 were used in 2017.
Would any animals have been hurt or worse in this experiment trial
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