1. Choose a place with abundant water resources and fresh and pollution-free water quality to build the pool.

2. Each pond is 5 to 8 mu, rectangular, with good north-south direction.

3. The bottom of the pool should be flat, with sand and mud as the bottom, and the bank should be solid and 2m deep.

4. Inlet and outlet pipes should be buried at the bottom of the pool. At the same time, it is equipped with 1 to 2 1 and 5 kW aerators, and the farm should have standby generator sets.

5. When stocking, the pond should be cleaned and disinfected, and 50 kg of quicklime or bleaching powder 10 kg per mu can be used for disinfection one week before seedling release.

6. Fertilize the basic bait of the pond water before releasing the seedlings to make the pond water oily green or brown.