It costs about 5000-6000 yuan. The land rent level varies from place to place, but in the main crayfish breeding areas, the rent level generally ranges from 600 to 1200 yuan/mu. Pond construction costs include land leveling, pond excavation, and various drainage and water intake, oxygenation and escape prevention facilities. The cost of this part is also about 1000 yuan. Cost of Shrimp Seedlings Under normal circumstances, the amount of seedlings in an acre pond is about 60-80 kg, and the price of shrimp seedlings in normal seedling stage is about 20 yuan/kg. If the average value is taken, the input per mu will cost about 1400 yuan. The material cost is mainly the feed, medicine and other materials to be consumed in the management process. Normal management, generally need to spend about 600-800 yuan. Including labor costs, utilities and other miscellaneous expenses (such as water grass cleaning, fishing tools purchase, seedling replacement costs, equipment maintenance costs, etc.). The total cost of this part depends on the actual demand, which is not easy to determine. Therefore, the investment cost of crayfish culture is about 5000-6000 yuan.