Research Animals

Reducing Animal Testing: The 3Rs Framework

The 3Rs framework — Replace, Reduce, Refine — provides a scientific and ethical roadmap for improving animal welfare in research while maintaining scientific progress.

Key Facts

Around 192 million animals are used in research globally each year
The 3Rs were first proposed by Russell and Burch in 1959
Replacement includes in vitro methods, organoids, and computer modelling
Refinement involves improving housing, reducing pain, and better experimental design
Many jurisdictions require 3Rs consideration in research ethics approval

Welfare Considerations

Animals used in research experience pain, distress, and fear. While some research cannot yet be conducted without animals, many procedures rely on outdated models when validated alternatives exist. Refinement of animal housing, social enrichment, and humane endpoints reduces suffering in research that does use animals. Regulatory application of the 3Rs is patchy, and funding for alternatives lags behind conventional animal research investment.

What You Can Do

Support organisations funding non-animal research alternatives
Advocate for mandatory 3Rs implementation in research ethics boards
Choose cosmetics and household products certified cruelty-free
Support transparency in animal research through open data requirements
Engage with regulatory consultations on animal testing policies