About Animal Testing
Animal Testing: the Good, the Bad, the Facts...
Home Tools Benefits Alternatives Species Minimising Harm Levels of Suffering More…
Home  /  Levels of Suffering

Levels of Suffering

Articles explain how animal welfare is measured and categorised during testing procedures. Topics cover assessment methods and the four official severity classifications.

Animal Suffering Categories: Mild
Animal Suffering Categories: Mild
UK animal testing in the mild category covers basic procedures like blood samples and minor biopsies designed to minimise animal suffering.
Animal Suffering Categories: Moderate
Animal Suffering Categories: Moderate
UK animal testing regulations classify over half of experiments as moderate suffering, with public opposition rising sharply as pain levels increase.
Animal Suffering Categories: Substantial
Animal Suffering Categories: Substantial
Animal testing in the UK is categorised by suffering levels, with the substantial category covering about 2 percent of tests but involving significant.
Animal Suffering Categories: Unclassified
Animal Suffering Categories: Unclassified
UK animal testing rules classify projects by suffering levels, with unclassified meaning animals are killed under anaesthetic without waking.
Assessing Animal Suffering
Assessing Animal Suffering
The UK uses a four-point scale to measure animal suffering in research, from mild procedures like blood tests to substantial interventions.
Topics
Free Information Tools Species Alternatives Benefits Levels of Suffering Minimising Harm Around the World Find Out More The Basics In the News
© 2026 aboutanimaltesting.co.uk
About Disclaimer Terms & Privacy Copyright Sitemap Contact Sponsor