Commercial puppy mills produce dogs in conditions causing significant welfare harm to breeding dogs and purchasers alike, with regulatory and consumer action both needed for reform.
Puppy mill welfare harms extend across two populations — the breeding dogs living entire lives in inadequate conditions and the puppies sold with health problems that cause suffering and expense for buyers. Regulatory approaches including sales bans, inspection requirements and online advertising regulations address the supply side. Consumer education about identifying responsible breeders addresses the demand side. Both are needed — supply restrictions alone create premium illegal markets without consumer education that shifts demand toward better sources.