The Doberman is a dog of large size. Height at the withers for males is 68-72 cm and 63-68 cm in females. Weight: Males about 40-45 kg and 32-35 kg for females. The Doberman is one of the smartest dog breeds in the world. Dobermans are living at home. Doberman It is black,red,white and brown.Doberman is active dog therefore, he must eat special dog food. it is powerful, strong and aggressive. It is used as a guard dog. It needs strict control. This dog lives 10-13 years.