Rooting is the most fundamental behavioral need of pigs and its denial through barren flooring causes chronic frustration with measurable welfare consequences.
Rooting motivation in pigs is not optional — it is a fundamental drive that persists regardless of hunger, causing frustration when unfulfillable. The relationship between rooting substrate and pig welfare is one of the most reliably demonstrated in farm animal science. Providing substrate is inexpensive relative to the welfare benefit and yet remains uncommon in intensive systems.