Positive welfare science for pigs has advanced rapidly, identifying behavioral indicators of good quality of life that go beyond simply measuring the absence of disease or injury.
The shift toward positive welfare assessment represents a significant advance in pig welfare science. Rather than simply measuring disease rates and injuries, positive welfare frameworks ask whether pigs have the opportunity to experience pleasure, play, and social connection. Pigs on straw bedding show dramatically more positive welfare indicators than those on slatted concrete floors. Short enrichment sessions with novel objects produce measurable positive emotional responses lasting beyond the enrichment period. Producers who focus only on reducing mortality and injury miss the larger welfare picture of whether animals experience any quality of life.