Early seeding - When the water temperature rises to 8°C, fish should be put in. This requires a strong physique, neat specifications, and a weight of 250 grams or more.
Early feeding - In the beginning of spring, the input of aquatic plants and concentrated feeds is the main method, followed by half of the aquatic plants and the terrestrial grass. Every time you feed, you must set a fixed time. The number of feedings depends on the weather, the water temperature and the activity of the fish. Feed should be clean, fresh and tasty. At the beginning, it is fed once a day, and then every morning and afternoon, the feed amount of concentrate is 1.5% to 2.5% of the fish body weight, and the feed amount of green material is eaten within 4 hours to 6 hours after feeding. It is advisable to finish it.
Early fertilization—When the water temperature is 7°C-8°C, fertilize and cultivate natural feedstuffs. Generally, 100kg to 150kg of livestock manure is applied per mu. For chemical fertilisers, nitrogen and phosphate fertilizers should be used as the main fertilizer, and potassium fertilizers should be used in combination with a ratio of 1:1:0.5. Usually fertilize once every 5 days to 7 days.
Early water transfer - In early spring, the water temperature is low, the fish is small, and the amount of food and activity is small. The pond water level should be from shallow to deep. Water is added once every 15 days, and it is added to about 1 meter in April. When watering, it is necessary to install a fishing device to prevent wild fish from mixing in.
Early disease prevention - Pay attention to preventing sewage from flowing into fish ponds, not feeding deteriorating feeds, and often administering medications for prevention. Usually every 15 days to 20 days with bleach or copper sulfate Quanchiposa once, once found fish disease to be treated promptly.
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