[18] The vast majority of puppy mill animals are sold to pet stores by «dealers» or «brokers». (en.wikipedia.org)
It is a well - established fact that the vast majority of puppies sold in pet stores come from so - called «puppy farms» or «puppy mills». (psychologytoday.com)
The vast majority of puppies purchased online come from puppy mills. (2www.eco-dog.org)