Buying a pure breed dog, as opposed to adopting from Animal Control, can be a contentious issue. Much of the debate likely comes from not fully understanding the joys of owning a mixed breed.The Barrett family knew which side of the debate they were on, until recently. Eva, a mixed-breed puppy they adopted from Warren County Animal Control, has changed their long-held belief that buying expensive dogs is the only way to go.“We’ve always had pure-breed dogs,” said Drew Barrett.