Food puzzle research demonstrates measurable welfare benefits for cats, with appropriate puzzle complexity matching individual ability being the key factor that determines whether enrichment improves or frustrates.
Food puzzle welfare is not simply about using puzzles but using appropriate puzzles - frustrating puzzles that cats cannot solve cause stress rather than enrichment. The research evidence is clear on this: cats that cannot solve puzzles within a reasonable time abandon them and potentially develop increased food-seeking behavior. Matching puzzle complexity to individual cat ability, starting easy and progressing gradually, provides the cognitive challenge and foraging engagement that constitutes genuine enrichment. The welfare evidence for food puzzles in cats is stronger than for almost any other behavioral intervention - multiple independent studies confirm the benefit.