In scientific establishments, the preliminary stages of many experiments can now be carried out directly on cells taken from the human body. Although there is no way round eventual tests on animals, at least the number of animals sacrificed can be reduced.
在科學部門，許多實驗的前端步驟也已經可以直接在人體取出的細胞上實驗，最終雖無法避免動物實驗，卻可以減少動物的犧牲。