Rooting is the most fundamental natural behaviour of pigs. Systems that enable genuine rooting in natural substrates provide a welfare benefit unavailable in indoor enrichment alone.
Rooting is not a preference but a fundamental behavioural need for pigs. Sustained prevention of rooting causes chronic frustration that manifests in redirected biting, stereotypies, and aggression. Indoor enrichment provides partial satisfaction but cannot replicate the complexity of soil rooting. Outdoor access that enables natural rooting behaviour addresses one of the most significant welfare gaps in conventional pig production. Systems providing genuine outdoor rooting access demonstrate measurably better welfare on multiple outcomes.