That manure pounds of mixed solids and liquid per cow per day is usually flushed into a holding pond, or manure lagoon. 낙농 농장주들은 종종 분뇨 물을 옥수수 밭에 비료로 뿌리고 고형물은 퇴비로 분리합니다. In theory, using waste to grow feed makes a dairy a closedloop system.