They are well aware that the return rates for dogs adopted from a shelter are already too high. (wileypup.com)
Even dogs adopted from the shelter many times just end up going back to the shelter because people just DO NOT bother to learn about breeds or have absolutely no time for any dog. (itchmo.com)
But usually, dogs adopted from a shelter commonly have this behavior problem because they experienced the loss of an important person in their life. (onegreenplanet.org)