Zoo Animal Welfare

Zoo Welfare Science - Five Domains Framework

The Five Domains model provides a comprehensive framework for zoo welfare assessment covering nutrition, environment, health, behavior, and mental state.

Key Facts

The Five Domains model extends the Five Freedoms by adding positive welfare states to the assessment
Domain 5 (Mental State) captures emotional and psychological welfare beyond physical parameters
The model is increasingly adopted in zoo welfare assessment and published welfare reports
Operationalizing Domain 5 remains a research challenge requiring behavioral and physiological indicators
Five Domains enables welfare to be scored and compared across species and time periods

Welfare Considerations

The Five Domains framework represents the most comprehensive approach to zoo welfare assessment currently available. Its inclusion of mental state assessment - addressing positive welfare alongside negative experiences - aligns with current understanding of animal sentience and emotional complexity. Zoos adopting this framework demonstrate commitment to welfare science rather than minimum compliance.

What You Can Do

Learn about the Five Domains framework to better evaluate zoo welfare claims
Support zoos publishing Five Domains-based welfare assessments publicly
Advocate for Five Domains adoption as a standard in zoo accreditation requirements
Donate to welfare science organizations developing Five Domains assessment tools for specific species