Whether to allow cats outdoor access involves balancing risks including road traffic, predation, disease, and toxins against the welfare benefits of natural behaviour expression, exercise, and environmental enrichment.
The outdoor access decision for cats is genuinely a welfare trade-off with no universal right answer. The risks are real: road mortality is traumatic and curtails life expectancy; outdoor cats are exposed to FIV, FeLV, and parasites; in some neighbourhoods, cat-to-cat aggression from unneutered males causes significant stress and injury. However, suppressing cats' predatory and exploratory motivation by permanent indoor confinement without enrichment causes its own welfare harm: chronic frustration, reduced physical fitness, and the stress-related conditions (FIC, obesity, over-grooming) that cluster in indoor populations. The welfare-optimal approach is typically contextual: indoor living with high-quality enrichment for cats in high-traffic areas, with supervised or enclosed outdoor access where feasible. The welfare needs of the individual cat - breed, personality, previous experience - should guide the decision.