Measuring positive emotional states in pigs is increasingly possible through validated behavioral indicators. This science is transforming how we assess and improve pig welfare.
The science of positive pig welfare represents a paradigm shift from "preventing suffering" to "enabling flourishing." Validated indicators — optimistic cognitive bias, forward ear posture, play behavior frequency — allow quantitative assessment of how often pigs experience positive emotional states, not merely how often negative experiences are absent. High-welfare pig systems score substantially better on positive welfare indicators than systems meeting only minimum regulatory standards. This science gives producers and certifiers evidence-based tools for demonstrating genuine welfare advancement beyond compliance.