Wild boar kept in zoological collections and semi-wild farming systems require large areas for rooting and ranging, complex social structures, and management that respects their intelligence and ecological needs.
Wild boar in zoological collections and semi-wild farming systems present welfare challenges distinct from domestic pig farming. Their natural ecology involves extensive rooting, complex social dynamics within family groups, and large home ranges that permit seasonal movement. Enclosures that are too small prevent adequate ranging and rooting, leading to boredom, redirected aggression, and stereotypic behaviour. Social management must respect the matriarchal sounder structure — mixing unfamiliar adults causes serious fighting. Access to natural substrate for rooting is essential; without it, welfare is significantly compromised in an animal whose entire feeding ecology centres on soil manipulation. Semi-wild farming systems that allow larger areas, natural group structures, and significant rooting opportunity offer substantially better welfare than intensive alternatives, though fencing, predator management, and supplementary feeding still constrain natural behaviour. Veterinary management in wild boar is complicated by their stress susceptibility under handling, requiring careful anaesthetic protocols and minimal capture events.