Animal welfare science has traditionally focused on reducing negative experiences. Positive welfare indicators - signs of good welfare states - are transforming how we assess and improve farm animal wellbeing.
The shift toward measuring positive welfare states represents a fundamental advance in animal welfare science. Rather than simply asking whether suffering is minimized, positive welfare assessment asks whether animals can experience positive emotional states and express their natural behavioral repertoire. Research has demonstrated that farm animals have rich emotional lives that include positive experiences like joy, curiosity and social affiliation. Animals in enriched environments with social stability show measurably better optimism bias and more affiliative behaviors. This knowledge challenges the welfare adequacy of systems that prevent suffering through physical limitation while failing to provide the conditions for positive experiences. The science of positive welfare is increasingly influencing farm assurance standards and certification schemes.