The RSPCA strongly promote fuller implementation of all 3Rs, and they recognise the work done by other bodies to develop and validate humane alternatives, and to address the current crisis with reproducibility and translatability in the life sciences.
- Replacement: methods which avoid or replace animal use - our principal goal
- Reduction: ensuring that the minimum number of animals is used to answer the scientific question, using effective experimental design and statistical analysis to optimise numbers and avoid wasting animals
- Refinement: reducing suffering and improving welfare throughout animals' lives, including procedures, housing, husbandry and care