Abstract
This paperwork highlights the role that plays the animal nutrition, in terms of level and quality, in relation to interdependence with other animal welfare criteria. It is necessary to apply nutritional strategies, taking into account the optimization of feeding conditions and nutritional intakes, in order to meet the objectives of animal welfare, which must take into account both health and environmental conditions, their maintenance and their service. In this way, the administration of food and the provision of all the necessary nutrients, depending on the species, the category of production, the physiological state must be applied in such a way that each animal has the freedom to express its normal behavior under conditions of well-being.