Pig Intelligence and Enrichment Requirements

Pigs are among the most cognitively complex farmed animals, and their intelligence makes the frustration of natural behaviours in barren environments a particularly significant welfare concern.

Key Facts

Pigs have demonstrated self-recognition in mirrors, complex social problem-solving, and long-term memory in research settings.
Pigs can learn to use joysticks to play simple video games — cognitive flexibility comparable to chimpanzees in some tasks.
In natural environments, pigs spend 6-8 hours daily foraging, rooting, and exploring — behaviours largely prevented in intensive systems.
Environmental enrichment with straw, compost, or mushroom substrate substantially reduces aggression and abnormal behaviour.
Pigs deprived of stimulation can develop learned helplessness and depression-like states measurable through cognitive bias tests.

Welfare Considerations

The cognitive sophistication of pigs makes the boredom and frustration of barren intensive housing a particularly severe welfare problem. A pig that can solve a joystick game but is kept on bare concrete with nothing to investigate or manipulate is experiencing profound environmental poverty. The intelligence that makes pigs such interesting research subjects is the same characteristic that makes their suffering in impoverished environments so significant.

What You Can Do

Choose pork products from farms that provide permanent access to rooting substrate as an enrichment requirement.
Support the Move for Straw campaign and similar initiatives pushing for mandatory enrichment in pig farming.
Reduce pork consumption and replace with plant-based proteins to reduce demand for intensive systems.
Support research into practical enrichment methods that work at scale in commercial pig production.