Cats are fundamentally solitary hunters whose welfare in multi-cat households is frequently compromised by resource competition, territorial stress, and social tension.
The welfare implications of multi-cat households are widely underestimated. Forced cohabitation between incompatible cats creates chronic stress that compromises immune function, causes recurrent urinary tract disease, and results in persistent psychological suffering. Owners often fail to recognise conflict because much of it is expressed through subtle avoidance, resource guarding, and tension rather than overt fighting. Even cats that appear to tolerate each other may be experiencing significant chronic stress. Welfare assessment in multi-cat households requires evaluation of resource availability, social dynamics, and health indicators. In cases where cats are genuinely incompatible, permanent separation within the home or rehoming one cat may be the most welfare-positive solution despite the emotional difficulty for owners.