Foraging enrichment that requires primates to work for food dramatically improves welfare by engaging natural cognitive and motor behaviors. Understanding effective approaches benefits research and animal welfare.
Foraging enrichment addresses one of the most significant behavioral gaps in laboratory primate welfare by providing an outlet for the cognitive and motor engagement that wild primates invest in food acquisition. Primates that cannot forage develop motivational frustration that manifests as stereotypic behavior, aggression, and other welfare indicators. The benefits of foraging enrichment are well-documented and include reduced stereotypies, increased activity, and improved behavioral indicators of positive welfare states. Implementation requires commitment to regular enrichment device rotation to maintain novelty and engagement, staff training in device use and assessment, and budget allocation for enrichment materials. The welfare return on investment from foraging enrichment is among the highest available to laboratory primate facilities.