'I'm a dog trainer -- I hate working with yappy breed that is booming in popularity'; Canine behaviourist Will Atherton has revealed the three breeds he hates working with as a dog trainer -you might want to think twice if you were planning on getting one

Byline: By, Ethan Blackshaw An expert dog trainer has revealed the three breeds he 'hates' working with, including one that he says is 'booming in popularity'. Canine behaviourist Will Atherton [...]