Primate Welfare in Research: 3Rs and Beyond in UK Science

Primates used in research represent some of the highest-welfare-complexity animals in science. The 3Rs framework and robust regulation aim to minimise suffering while enabling vital research.

Key Facts

Around 3,000 primates are used in UK research annually, primarily cynomolgus macaques
The Animals (Scientific Procedures) Act 1986 requires project licences with pain limitation
Housing requirements mandate social housing and environmental enrichment for primates
The 3Rs (Replace, Reduce, Refine) framework aims to minimise use and suffering
Positive reinforcement training (cooperative behaviour) reduces procedural stress substantially
Neuroscience and vaccine research account for the largest proportion of primate use

Welfare Considerations

Primates in research experience complex psychological suffering beyond physical pain. Social isolation, loss of control, and novel environments cause distress compounding procedural pain. Positive reinforcement training for voluntary cooperation in procedures is one of the most significant welfare improvements of recent decades. The case for robust alternatives investment and strong reduction requirements is compelling.

What You Can Do

Support organisations funding non-primate alternatives to vaccine and neuroscience research
Advocate for cooperative behaviour training as standard in all primate research facilities
Engage with public consultations on research animal welfare regulation