Selective breeding for extreme physical traits in dogs has created serious inherited health problems. Welfare reform requires both regulatory change and consumer education.
The selective breeding of dogs for extreme appearance has created a crisis of inherited suffering. Brachycephalic breeds with flat faces struggle to breathe, sleep, exercise, and regulate their temperature. Many require surgical intervention to breathe adequately. Cavalier King Charles Spaniels frequently develop syringomyelia — a painful condition where the spinal cord is compressed by inadequate skull size. The breed standards promoting these traits have been described by veterinary professionals as a systemic welfare failure. Reform requires both breeding standard changes and consumer education to reduce demand for breeds whose appearance has been achieved at the expense of their health and quality of life.