The poultry farm is engaged in growing broilers in poultry houses using a deep bed of straw. The broiler is grown on this material for 40 days, then the used waste substance (UWS) together with the droppings is removed from the poultry house by a mechanized method. On average, 1 kilogram of broiler weight accounts for 3 kilograms of produced UWS and for each chicken during the growing period, approximately 2.5 - 3 kg of straw is required.At the moment, the company produces an average of 6060 tons of UWS per year. UWS humidity 45%. A significant amount of water enters UWS from droppings and drinkers. Cleaning of UWS is carried out in a traditional mechanized way.The company under consideration generates 16.6 tons of UWS per day. In Kazakhstan there are more than 5 enterprises with the same problem and comparable parameters.