Play is a key indicator of positive welfare in companion animals - supporting play behavior is both a welfare need and a measurable welfare outcome.
Play is one of the most reliable indicators of an animal's positive welfare state: animals experiencing pain, fear, or chronic stress do not play. Monitoring play behavior provides a simple, accessible daily welfare assessment tool for companion animal owners. Cats deprived of appropriate predatory play outlets redirect to inappropriate targets - attacking feet, hunting children, and overgrooming. Dogs without adequate play and exercise develop anxiety, destructive behavior, and obesity-related health problems. Providing species-appropriate, age-appropriate, regular play opportunities is not an optional enrichment activity but a welfare necessity. The quality of interaction during play - owner engagement, appropriate toy selection, understanding of species-specific play signals - significantly affects the welfare benefit received.