Pigs demonstrate sophisticated cognitive abilities including problem-solving, mirror self-recognition, and social learning. Recognizing their intelligence has direct implications for their welfare needs.
Pig intelligence means that cognitive impoverishment in intensive systems is a serious welfare problem. Animals capable of complex problem-solving, social learning, and self-recognition require enrichment that engages these capacities. Bare, unstimulating environments cause boredom and frustration in intelligent animals. Recognition of pig cognitive sophistication provides a compelling welfare and ethical argument for improved housing systems.