1. Construction of greenhouse: insert bamboo into the soil on both sides of the culture pond, build a skeleton and cover it with plastic film. 2. Seedling throwing management: the seedling throwing time is in the middle of 10, and1500-2,500 crayfish are put into each mu. 3. Control water level: the water level should be controlled around 1-2m. 4. Feeding method: Give priority to small fish and shrimp, feed more in summer and reduce the feeding amount in winter.

How to breed crayfish in greenhouses and build greenhouses?

When crayfish are cultured in greenhouse, bamboo can be inserted into the soil on both sides of the culture pond to build a rectangular skeleton, which is bound with adhesive tape. Note that the bamboo pieces should be separated by about 2 meters to facilitate people to walk, and then covered with plastic film.

2, seedling management

Shrimp seedlings selected for greenhouse culture should have the characteristics of strong resistance first, and then grow fast. The seedling throwing time is between 10, and 1, 500-2,500 shrimps are put per mu. Pay attention to soak crayfish in salt water first to avoid breeding bacteria.

Step 3 control the water level

Before crayfish culture in winter shed, the water level should be controlled at about 1m, and then algae should be cultivated with fertilizer to increase dissolved oxygen in the water, absorb harmful substances in the water and purify the water. After crayfish fry are put into 1-2 months, the water level should be raised to 2 m.

4. Feeding methods

Crayfish is an omnivore, which can eat small fish, shrimp, plankton, benthos, algae and other foods. General artificial feeding, can give priority to with special feed and fish and shrimp, according to the season and living habits to determine the feeding amount, increase the feeding amount in summer, reduce the feeding amount in winter.