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The purpose of the report is to demonstrate current problems that could be addressed by the passage of Proposition B, which Missouri citizens will vote on in November. Under Proposition B, the Puppy Mill Cruelty Prevention Act, many of these dealers’ horrific violations would be backed by stronger enforcement opportunities.

All of the puppy mills on the Dirty Dozen list are licensed by the USDA, the state, or both, according to the most recently available records reviewed by HSUS researchers. Some sell puppies to pet stores and others over the Internet. One thing they have in common is atrocious violations of basic humane standards for the dogs in their care.