Scientific research on pig enrichment has identified specific materials and designs that effectively meet behavioral needs and reduce stress in commercial settings.
The science of pig enrichment has advanced considerably, moving beyond minimum compliance toward understanding which materials genuinely satisfy behavioral needs. Research shows that pigs prefer substrates they can manipulate with their snouts over indestructible objects like chains or rubber toys. The foraging drive in pigs is among the strongest in domestic farm animals and, when unsatisfied, redirects into damaging behaviors such as tail biting that cause suffering to both victim and perpetrator. Effective enrichment programs are economically viable because they reduce losses from injury and mortality. Translating enrichment science into farm practice requires farmer education, regulatory clarity on material quality standards, and supply chain incentives for higher welfare production.