Cats are territorial solitary hunters, and multi-cat households frequently cause chronic stress. Recognizing and addressing feline social conflict is essential for welfare in these common living situations.
Multi-cat household stress is frequently underrecognized because cats rarely engage in overt fighting — instead they use subtle signals including postural avoidance, staring, blocking access to resources, and time-sharing of spaces. Owners often interpret absence of fighting as social harmony. However, chronic low-grade social stress has significant welfare consequences including stress-related cystitis, increased disease susceptibility, and reduced behavioral repertoire. Welfare assessment in multi-cat homes should examine resource availability and distribution, monitor for temporal avoidance patterns, and look for stress indicators in individual cats. Interventions include increasing spatial complexity (more vertical space), ensuring each cat has exclusive access to key resources, and in some cases rehoming incompatible individuals. Introducing cats slowly using separation and scent exchange dramatically improves outcomes compared to direct introduction.