Written Question·Department for Science, Innovation and Technology·UIN 96750

Animal Experiments

Tabled: 3 December 2025
Answered: 10 December 2025
Named Day

Question

Ruth Jones

LabourNewport West and Islwyn

To ask the Secretary of State for Science, Innovation and Technology, what steps she is taking to accelerate the phasing out of the use of the LD50 test; and if she will set out a timetable for that phasing out.

Answer

Kanishka Narayan
The strategy uses ‘baskets’ to group animal tests according to their readiness for replacement, based on maturity of potential alternative methods. These initial baskets will be refined in consultation with stakeholders, noting that two LD/LC50 tests are ...

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