1, site: When raising crayfish, it is necessary to choose old rice fields for reconstruction and build protective nets around the rice fields.

2. Release: It is best to release 40 kilograms of shrimp seeds per mu when the weather is fine.

3. Feeding: When feeding crayfish, it is necessary to provide them with feed with high protein content.

4. Patrol: patrol the shrimp pond once a night.