When carrying out high-density aquaculture in the reservoir, it is of course necessary to choose a good reservoir first, and the reservoir should maintain sufficient sunshine and good shelter from wind, provide sufficient light for the growth of aquatic products, and enhance their growth capacity. In addition, the nutrient level of the water body of the reservoir will also have a certain impact on the benefit of aquaculture, so it is necessary to ensure that it is rich in nutrients.

After selecting the reservoir, we will also set aside an area in the reservoir as a captive breeding area. The assembled bucket with a diameter of 5 meters adopts the centralized captive breeding mode. Fish excrement and residual bait are gathered in the conical sewage collection area with the water flow. The conical bottom sewage system can carry out sewage treatment at any time, without polluting the water body.

The roots blower delivers the gas to the bottom aeration disks and the aeration tube around the culture barrel, so that the dissolved oxygen in the water body is sufficient from the bottom to the surface, so as to achieve the demand of comprehensive oxygen supply. Fish eat more, grow faster, have fewer diseases, have higher output and better culture effect.

Centralized feeding can improve the utilization rate of feed, save manpower and feed through scientific control, reduce the discharge of polluted water, and achieve higher yield and efficiency.

The sewage absorption effect is obvious, and the barrel wall is smooth without dirt. The collection and removal rate of fish feces can reach 90%. The tail water purification system can return the collected aquaculture sewage to the aquaculture pond after reaching the standard through sedimentation and biochemical filtration, for recycling and reuse, reducing water consumption.

When setting up the breeding barrel, we should try our best to ensure that there are enough natural bait around. Then we should choose a suitable cage structure and device. When placing cages, we should pay attention to the arrangement and distance between each cage. Then, select cultured fish according to the water body, and control the stocking specifications, breeding density and mixed species ratio. Ensure that the production performance of the water body is fully exerted. Finally, we must do a good job in managing fish farming, avoiding prevention and disease prevention. Clean the cage regularly and check the mesh to ensure the normal growth of fish.

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