1. The pond is clean and tidy. It usually takes 1 to 2 years to clear it once. Simultaneously with the removal of sludge from the residue, 75 kg of quick lime is disinfected per 667 square meters, eliminating harmful germs.
2. Disinfection of fingerlings. When fish species are stocked, they must adhere to drug dipping and disinfection. Usually immersed with 4% to 5% saline for 5 to 10 minutes, the water temperature at 10 ~ 20 °C.
3. Reasonable stocking. It should be done: In the same pond, there should be more fish species and specifications. General eaten fish accounted for 60% of the total stocks, fertilizer fish accounted for 40%. The use of intensive, aerators should be properly close, or sparsely placed. In general, 800 to 1,000 tails per 667 square meters of water.
4. Feed science. When feeding and fertilizing, we must adhere to four observations and four determinations, that is, feeding the season, watching the weather, watching the water quality, and watching the status of fish eating. At the same time to achieve timing, positioning, qualitative, quantitative, to ensure that fish can eat enough, eat fresh, eat evenly.
5. Fish disease prevention and treatment in time. We must adhere to the following principles: early prevention without disease, early treatment with disease, and prevention and control. Lime is a good medicine for preventing fish diseases. It can both prevent disease and regulate water quality and promote fish growth. Generally available 15 to 20 days. About 15 kg can be used per metre of water per 667 square meters.
6. Floating head guard. During the summer with sultry thunderstorms, fish float easily. To strengthen the evening tour. Once abnormalities are found, oxygenation precautions should be taken immediately.
7. Note. It is forbidden to plant peanuts and water chestnuts in the pond and prohibit the pods of trees.
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