Scientific research on cat environmental enrichment has moved from descriptive studies to controlled experiments demonstrating measurable welfare benefits across physiological, behavioral, and cognitive indicators.
Cat enrichment science has produced an evidence base sufficient to justify specific welfare recommendations with confidence. The combination of reduced stress hormones, improved behavioral indicators, and reduced problematic behaviors in enriched cats demonstrates that enrichment is not merely a luxury but a welfare requirement. The practical implication is that indoor cats without structured enrichment are experiencing welfare compromise compared to enriched peers, and that relatively modest investments of owner time and simple resources can produce measurable welfare improvements. Making enrichment science accessible to cat owners is therefore a high-impact welfare communication priority.