At present, the family raises lice and adopts pool culture. Raft ponds can be indoor or outdoor, with a brick pool. The size of the pool depends on the number of oysters. Generally, the height and width of the rice can be determined according to local conditions. The inner wall of the scorpion pool does not need to be smeared with lime slurry to keep the pool surface rough, which facilitates the climbing and activities of the scorpion. The outer wall of the pool is covered with lime slurry to prevent the lice from fleeing. In the upper half of the front and sides of the pool, 52 cm pool openings are reserved for observation and operation. The inner wall of the pool is affixed with a hard plastic sheet or smooth glass of about a centimeter to seal the escape. There are several large tiles in the pool stacked on two vertical bricks, leaving gaps between the bricks. The tiles are stacked close to the wall of the pool. Five tiles like this can be placed in the pool. China Agricultural Network Editor
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