#8 Doberman they require rigorous training because other wise they will become uncontrollable.
#9 Rottweiler are aggressive towards are dogs. They are known for they bravery, smart and independent character. Are easy to train and practically can live everywhere you put them.
#10 Australian Cattle Dog they in a sugar rush all the time that is why they need to be doing something all the time like, walking, running, playing etc. They extremely intelligent and can be train very easily.
