OP - great news, the government has set out a serious plan to phase out animal experiments, starting with a 35% reduction by 2030.
https://www.bbc.co.uk/news/articles/cm2lpekjeg9o
TLDR
Animal experiments peaked at over 4 million in 2015 and fell to just under 3 million in 2020 (horribly high numbers). Scientists are working on alternatives to animal testing (tissue from stem cells, cells from different organs in a chip, AI, computer simulation etc). Measures include
New legislation that if a safe alternative exists , it must be used.
New centre for safety testing new alternatives, to speed up implementation
£30m research hub plus unspecified amount of funding for research