From defence to sweetness it is the dog that you can distinguish between the other races from its intelligence and its character balance. The German shepherd belongs to one of the most requested dog of the other races of defence and to guard, but it is the most utilized dog in other situations: from where it needs high level of courage, pugnacity and temper (The police force), to those who need big capacities of concentration and physical stamina (avalanches or calamities) or, who has to prove unceasingly patience and much love (seeing-eye dogs for the blind people(seen-eye dog for the blind people) but so as these potentials of the race could well develop in the subjects born in the dog farm, until the dog doesn’t follow the specialization it is useful that who devotes to this it needs to know some rules to apply, always with scrupulosity.