Managing multiple cats in a household requires understanding feline social needs, resource requirements, and conflict resolution. Evidence-based approaches reduce stress and improve welfare for all household cats.
Advanced multi-cat household management recognizes that feline social compatibility is not binary — it is a spectrum from actively affiliative pairs to tolerant cohabitation to covert chronic conflict. The latter is the most welfare-compromising and the hardest to identify, because cats experiencing territorial stress may not fight visibly but show chronic physiological stress that manifests as recurrent urinary problems, over-grooming, immune compromise, and reduced quality of life. The welfare solution requires active management of every resource cats compete for — food, water, litter, high resting spots, sleeping areas, access to humans — providing abundance that eliminates competition pressure. In households where compatibility has broken down despite optimal management, rehoming one cat to a household where it can be the sole or first cat may be the most welfare-protective outcome for all involved.