Timely water
Because of the high temperature, the water in the pool evaporates quickly. Add water to the pond every two days. The best time to add water should be selected in the morning, the morning pool water temperature and the river channel water temperature, the temperature difference is small, the impact on the pond shrimp is small. Each time the amount of water added is controlled to return to the original water level of the pond, one should not add more than 20 centimeters of water at a time. Excessive changes in the water quality of the pool water will cause rapid growth, which is not conducive to the growth of the shrimp.
Check the feed
Should increase the feeding depth of the pool water, the pool edge because of high water temperature, should vote less feed, most of the shrimp hiding depth, high temperature in the evening shallow water, shrimp do not come to feed, resulting in feed wastage. Diligently check the feed intake in the morning and at night, and increase or decrease in time.
Controlling Cyanobacteria
The high temperature of the water and the unbalanced algae in the pond cause rapid growth of blue-green algae, which is more common in the main ponds of shrimp. The cyanobacteria in the high-temperature pool should adopt the method of controlling the growth. Spill the drugs in the foot of the downwind pond, and the local splashing can properly increase the concentration so that some of the cyanobacteria in the pool will die. Quanchiposa causes a large area of ​​cyanobacterial deaths, rapid deterioration of water quality, and the lack of oxygen in the pond. Concentrated release of cyanobacterial toxins can also cause the death of the shrimp in the pool.
Regulate the color
Changes in the water color of the pond were adjusted by a combination of more water and sprinkling biological agents. In the hot season, the sprinkling of water every 10 days can cool 5 mu/bag (produced by Nanjing Fisheries Research Institute), which can effectively stabilize the color of the pond and control the increase of nitrite and ammonia nitrogen.
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