BOAS affects millions of flat-faced dogs globally and causes chronic breathing difficulty, sleep disruption, and exercise intolerance that represents a major self-inflicted welfare crisis in companion animal breeding.
BOAS represents a welfare emergency of unprecedented scale caused by consumer demand for exaggerated physical features that cause lifelong breathing impairment. Dogs affected by severe BOAS experience chronic hypoxia, sleep apnoea, exercise intolerance, and in hot weather, life-threatening heat stress. The normalisation of noisy breathing in these breeds masks suffering that would be readily recognised as pathological in any other context. Systemic reform requires change at multiple levels: kennel club breed standard reform, veterinary guidance to prospective owners, and most importantly, consumer demand shifting away from severely affected breeds towards healthier alternatives.