This article should help you understand what a animal mill is. Most common mills are puppy and kittens.

Puppy Mill FAQ

A puppy mill is a large-scale commercial dog breeding operation where profit is given priority over the well-being of the dogs. Unlike responsible breeders, who place the utmost importance on producing the healthiest puppies possible, breeding at puppy mills is performed without consideration of genetic quality. This results in generations of dogs…Read More
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