Scientific evidence for positive emotional states in farm animals is growing rapidly, transforming our understanding of what good welfare requires across species.
The growing scientific evidence for positive emotions in farm animals challenges a narrow welfare framework focused solely on preventing harm. Animals that play, anticipate rewards, form social bonds, and explore their environments appear to experience positive hedonic states that are intrinsically valuable, not merely instrumentally useful. A farm system that prevents suffering but fails to enable positive experience provides a welfare floor, not a welfare standard worth endorsing. The practical implications are significant: enriched environments, stable social groups, positive human-animal relationships, and opportunities for choice and agency are not luxuries but components of genuine welfare. Measuring and rewarding positive welfare outcomes incentivizes industry to move beyond minimum harm reduction toward actively good animal lives.