To make a profit, dog breeders would often breed mastiffs from different areas of Tibet or even with ordinary domestic dogs and sell the offspring. Because of this, the purebred mastiff was facing extinction.
育狗商為了賺錢，常把西藏不同區域的藏獒甚至一般家犬的品種交配混雜、繁殖出售，因而造成純種藏獒滅絕的危機。