Selective breeding for extreme physical traits in certain dog breeds has created inheritable health conditions that cause chronic suffering across the lifetime of millions of dogs.
Breed-related welfare problems represent a systemic failure of the dog breeding system. Animals selected for extreme traits that appeal to human aesthetic preferences — flat faces, exaggerated body proportions — live with chronic pain, breathing difficulty, and neurological disease that significantly compromise their quality of life. The popularity of affected breeds continues to grow despite widespread veterinary concern, driven by social media exposure. Regulatory action in the Netherlands and Norway, combined with revised breed standards requiring functional anatomy, offers a template for reducing inherited suffering at population scale.