How the Five Domains model transforms farm animal welfare assessment and what practically applying it looks like on farms.
The Five Domains model represents the most current scientific framework for understanding and assessing farm animal welfare, and its practical application on farms is transforming what welfare assessment looks like. By explicitly including mental state as a welfare domain, the model requires welfare assessors to consider not just the absence of negative experiences but the presence of positive ones. This shifts the welfare question from "is this animal suffering?" to "is this animal having a good life?" — a more demanding but more honest standard. Farms that genuinely apply the Five Domains assessment find it reveals welfare opportunities that input-based assessments miss: enrichment gaps, positive behaviour deficits, and mental state indicators that point to actionable improvements.