Multi-dog households can enhance welfare through social enrichment but require careful management of compatibility, resources, and individual needs to prevent conflict and stress.
Multi-dog household welfare requires understanding that dogs are social but also individual in their compatibility preferences. Compatible dogs provide each other with play, comfort, and social enrichment that significantly improves welfare. However, forced cohabitation of incompatible dogs causes chronic social stress that affects both animals' wellbeing. Signs of inter-dog stress are subtle and easily missed: avoidance, tense posture, resource guarding, and reduced play are important indicators. Careful resource management ensuring each dog has uncontested access to food, water, resting areas, and human attention reduces competition. Shelter dog pair housing research demonstrates welfare benefits of compatible social housing for dogs awaiting adoption.