Farm Animals

Pig Positive Emotions Assessment Research

Research into positive emotional states in pigs has identified behavioral indicators that allow welfare assessment beyond the absence of negative states.

Key Facts

Play behavior in pigs is a reliable indicator of positive affect and low stress
Tail posture correlates with emotional state in pigs with raised tails indicating positive affect
Anticipatory responses to rewards reveal optimistic bias in pigs with good welfare histories
Ear posture and position provide non-invasive real-time indicators of emotional state
Pigs show optimism bias in cognitive bias tests when housed in enriched environments

Welfare Considerations

Assessing positive emotions in pigs allows farms to move from minimizing suffering to actively promoting flourishing. Positive welfare indicators provide richer information than disease and mortality alone.

What You Can Do

Support farms assessed on positive welfare indicators in addition to health parameters
Advocate for positive welfare assessment inclusion in farm assurance auditing frameworks
Choose pork from farms that demonstrate they are striving for positive welfare, not just reducing negatives