The full text of this article goes into the scientific detail behind the high risk of behavioural problems that develop in dogs coming from puppy farming situations.
The Victorian government instituted laws in 2015-2016 that greatly improve dog welfare by reducing the ability of puppy farms to sell through pet shops.
It is especially important in the animal industry that consumers question the source of their purchase. With genetic predisposition, prenatal and postnatal factors, and very early experience being important factors in the development of mental health issues in pets, researching where your pet comes from will potentially reduce the risk of having a pet that develops behavioural issues. By reducing business to puppy farms, the practice of puppy farming will reduce.