First, fertilize and promote strong. In autumn, the individual growth supply of aquaculture objects is relatively slow, mainly satisfying the body's energy storage, and timely feeding of concentrate feed can meet the needs of the cultured objects, which can not only increase the output, but also effectively improve the specifications of the aquatic products and the breeding efficiency.

Second, control the water quality. The temperature difference between morning and evening after the fall will be relatively large, it will easily lead to lack of oxygen floating head, pan pool will occur. Therefore, the transparency of autumn water quality control in the 30 to 35 cm, pH value of 8 to 8.5, the breeding density is too large, the water is not ideal for the day to do a good oxygen increase.

Third, science and disease prevention. Autumn is the second highest period of aquaculture disease, mainly ectoparasite and bacterial diseases. Pu Shi 1 to 2 insecticides and a bactericidal drug, combined with internal medicine to improve the immune resistance of drugs such as immune polysaccharides, allicin to prevent fish diseases. Shrimp and crab ponds should reasonably control the density and distribution of aquatic weeds. They should be fished out as soon as they can, and they can be fished out as soon as possible. They can reduce the diseases and oxygen consumption caused by water rot.

Fourth, stepping up the pond. It is necessary to strengthen the patrol ponds, remove residual food in time, and pay attention to anti-escape settings, escape prevention facilities at entrances and exits, and loopholes in pools and turtles, and turtles and soft-shelled turtles. At night, they must strengthen anti-escape and anti-theft inspections.

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