Farmers should make use of the favorable timings of winter fish species and ponds, and the large number of fish ponds left after pooling, and transform the low-yielding fish ponds to tap the production potential of the fish ponds and improve the aquaculture efficiency. The contents of the transformation include the following aspects.

1, transform the pond area. In general, the area of ​​fish ponds ranges from 1 to 4 mu, and the area of ​​adult fish ponds is 5 to 10 mu, so as to achieve the purpose of wide-water fish rearing.

2, shallow pool to deepen the pool. Fish ponds have been growing for a long time, and a large number of residual baits and dead animals have accumulated on the bottom of the pond. Over time, the ponds have become shallow and the fish’s living space has become smaller, thus affecting the growth of fish. Therefore, the deep fish ponds are imperative. The seed pool is 1.5 meters to 2 meters, and the fish pond is 2 to 2.5 meters.

3, dead ponds change the reservoir. The stagnant ponds away from the water source can be changed to live pools capable of irrigation and drainage, which will create favorable conditions for intensive cultivation, increase production, and increase profits.

4, the low bank tampers with high and wide. After the renovation, the pool embankment should be 0.5 meters above the maximum flood level and 4-5 meters wide. This kind of pond embankment is not only solid, but also is convenient for planting green feed and the production operation of the farmer.

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