Nutritional Needs For Different Dog-types While the first domesticated dogs were undoubtedly used as companions, it probably did not take long for the human companion to realize the working value of this newly-made friend and faithful companion. Even before the history of dogs was ever recorded, these dogs were helping man for a variety of specific purposes, mainly to hunt for food with the reciprocating benefit of the dog receiving in dog food in return, shelter and warmth. In those days, however, hunting was not a sport, but serious long hard work and the difference between life and death for both by starvation. Today the working dog still supports man in his quest for food, but the nature of the job has taken on a different form. The dog still helps man to hunt as when being used as gun dogs or dogs used on farms to round up sheep / cattle, but for a different reason, and still receive food sustenance but also expected to receive a more comfortable dog bed, preferable an orthopaedic dog bed with genuine memory foam. Whatever the purpose or nature of the dog’s job, the performance of sustained work always requires in time the expenditure of energy and the nutrients to burn the energy. As a consequence, every working dog's primary dietary need is increased energy and nutrients. Whenever dietary energy is increased, those B-complex vitamins, minerals, and the water necessary for burning the energy must also be increased by a specific level, so the expended nutrients must