The big bunting fish breeding pond construction technology

The area of ​​the rearing pond should be 1.5-15 mu, and soft clay is better at the bottom of the pool. Chiko is inconvenient to manage, and it is difficult to put foot sprouts at a time. The bottom of the pool is required to be flat in order to facilitate drainage of the pool and cultivate benthic diatoms. The bottom of the pond is slightly inclined to the floodgate. A drainage trench of 2 meters in width and 50 centimeters in depth is dug in the center and on both sides of the pool. The drainage ditch is connected to the drainage gate. The ditch can be used as a place where large-scale skipjack fish live in the tarpaulin. The depth of the pool is generally 5-20 cm, and the depth of water exceeds 30 cm, affecting its growth. Pool water salinity between 14-27, water temperature 24-30 °C, water temperature exceeds 32 °C, take a awning in the pool shade. In winter, the water temperature is below 14°C, and the fish can bore through the winter. Embankments are surrounded by bamboo curtains or plastic panels to prevent escape and damage to other animals.

 

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