Research increasingly documents that farm animals experience positive emotional states including excitement, play, and anticipation of rewards. Recognizing these states expands our understanding of what good farm animal welfare requires.
The evidence for positive emotional states in farm animals transforms the welfare question from purely negative to genuinely aspirational. It is not enough to ensure that animals are not suffering; good welfare requires that they also experience positive states — the excitement of outdoor release, the pleasure of social play, the satisfaction of completing foraging tasks. Farming systems that create conditions for positive emotional expression are not indulging animals at the expense of efficiency but are recognizing that animal wellbeing has an affective dimension that matters intrinsically. Welfare science is increasingly providing the tools to measure these states and the policy frameworks to require them.