The patent " STABLE MARAZZI " was born from the need to eliminate all the problems typical of a stable of litter. It is known that problems on the stall to permanent litter are considerable, pathologies breech, mammary etc. . caused by the high concentration of bacteria that is created within bedding perpetually bathed by organic secretions of animals. This in addition to having long-term adverse effects in animals , results in a significant maintenance by the farmer with continuous changes of litter , resulting in substantial costs in straw, periodic disinfection , as well as a considerable labor for the removal of manure. The conceptual idea is to create a deep litter area with slatted floors above a storage tank for manure. In order to obtain a litter constantly dry, the storage tank is fitted with aspirators, having the function of removal of ammonia gas and generate a flow of air through the litter. An additional benefit of this system is to avoid the periodic removal of litter; by the trampling of the animals, it gradually passes through the slatted floor and disposed of with the sewage. From the economic point of view there is a significant savings due to the halving of the coefficient " square meters per head " , more precisely from 10 sqm / head to 5 sqm / head. It should be emphasized that the cost reduction is not limited to the reduction of the floor, because the farmer benefits from the tank under the litter, thus optimizing the Business spaces. So we can say that the " PATENT MARAZZI " responds very positively to the welfare of an animal breeding, confident of the significant benefits that the company can draw from the very beginning and will continue to grow over time.