The overwhelming majority of pet store puppies come from puppy mills. Puppy mills are nothing more than inhumane breeding factories. DON'T BUY IT . A Kerry should remain with its mother for 10 weeks. And because of overcrowded conditions and continuous inbreeding, puppy mill puppies are likely to have unsound temperaments.
Aggression is common.
Pet store puppies require extra training effort and some of them may be beyond any hope of reform. Health Lack of sanitation during early puppyhood will cause lingering health problems. Poor circulation and close quarters in pet stores also contribute to the passing of contagious diseases. Puppy mills don't care about the health of the mother either. They are bred every season until they are four or five years old, receive little or no veterinary attention, are given only enough food to keep them alive, and then are euthanized, shot, or bludgeoned to death when they can no longer produce puppies.