I like bull x's because of their character, they are determined, strong, willing to please and fun to be around and loving when not working. They are also intelligent. I have a 3/4 x. She will do deer all day long, doesn't give a damn about teeth, but with rabbits she doesn't kill em, she catches and carrys them alive, you have to kill em. I also have a 3/4 grey 1/4 collie. She can do anything the bull x can do, but i prefer the bull x's way of oing it and i prefer the bull x's character. The collie x can be to brainy for her own good and occasionally picks what she runs if she thinks she won'