Puppy mills are commercial dog breeding operations that prioritize production over welfare. Understanding the supply chain helps consumers make choices that don't support this welfare harm.
Puppy mill breeding dogs experience some of the most extreme welfare deprivation of any companion animal population. They spend their entire lives confined in small cages, bred repeatedly without recovery time, receive minimal or no veterinary care, and are culled when no longer productive. Their puppies, separated early and transported through brokers and pet stores, develop behavioral and health problems from lack of socialization and early stress. The welfare harm is obscured by the pet store shop front and increasingly by sophisticated online presentations designed to appear like family breeders. Consumer choices that avoid pet store and online breeder purchases without verification are among the most direct welfare interventions available.