Pigs habituate rapidly to enrichment materials, reducing their welfare benefit over time. Managing novelty is key to sustained enrichment effectiveness.
Enrichment provision alone does not guarantee welfare benefit - pigs that have habituated to unchanged enrichment receive little behavioral benefit. The science of enrichment management shows that novelty, variety, and complexity are as important as provision. Farms that actively rotate and vary enrichment maintain higher welfare standards than those that simply provide the minimum requirement.