First, early clear pond. In the 7-10 days before the stocking of fish species, the water depth of 1 meter per acre is 135 kg of quicklime, and the temperature of the fish pond is reduced to a depth of 10-20 cm, and 75 kg of lime is used per acre. . This will not only kill all kinds of germs and wild fish, prevent fish diseases, but also increase the calcium content of fish ponds, which will benefit fish growth.
Second, early seeding. After spring, the temperature of the water is stable above 8°C, and fish fingerlings can be quickly placed to adapt the fish species to the environment of fishpond to facilitate growth. Fish species are required to be physically strong and have neat specifications. Before the lower pond, fish is soaked with 3-5% saline or 0.08-0.1% bleach solution for 20-30 minutes and then released after cleaning.
Third, early fertilization. When the pond water temperature reaches 5°C or above, fertilization should be performed to cultivate plankton in the water. Fertilization depends on the fat of the pool. Generally, every mu of pond surface can be splashed with 50-100 kilograms of fresh manure, or 150-250 kilograms of wet livestock manure. When chemical fertilizer is applied, nitrogen and phosphorus fertilizers are the main supplement, and potassium fertilizer is supplemented. The ratio is 1:1:0.5. Apply every 7-10 days.
Fourth, early vote for food. Grass, blue, and squid start feeding when the water temperature rises to 10°C. After the spring, the plants were mainly fed with aquatic plants and concentrates, and then the plants were half dry. The amount of concentrate feed was 1.5-2.5% of the fish body weight, and the amount of feed for green feed was within 4-5 hours after feeding.
5. Adjust water as early as possible. In early spring, the water temperature is low, individual fish species are small, activities and food intake are small, and the pond water level should not be too deep. Generally, water is added once every two months, and it is deepened to about 1 meter in April. When water is added, it is necessary to take care to block the net and prevent miscellaneous fish from mixing in.
Six, early prevention of disease. To prevent the influx of sewage into the fish pond, do not feed it with deteriorating feed. Regular drug prevention should be performed. Generally, bleaching powder or copper sulphate should be splashed into the whole pond every 10-15 days at a concentration of 1 ppm and 0.7 ppm.
Second, early seeding. After spring, the temperature of the water is stable above 8°C, and fish fingerlings can be quickly placed to adapt the fish species to the environment of fishpond to facilitate growth. Fish species are required to be physically strong and have neat specifications. Before the lower pond, fish is soaked with 3-5% saline or 0.08-0.1% bleach solution for 20-30 minutes and then released after cleaning.
Third, early fertilization. When the pond water temperature reaches 5°C or above, fertilization should be performed to cultivate plankton in the water. Fertilization depends on the fat of the pool. Generally, every mu of pond surface can be splashed with 50-100 kilograms of fresh manure, or 150-250 kilograms of wet livestock manure. When chemical fertilizer is applied, nitrogen and phosphorus fertilizers are the main supplement, and potassium fertilizer is supplemented. The ratio is 1:1:0.5. Apply every 7-10 days.
Fourth, early vote for food. Grass, blue, and squid start feeding when the water temperature rises to 10°C. After the spring, the plants were mainly fed with aquatic plants and concentrates, and then the plants were half dry. The amount of concentrate feed was 1.5-2.5% of the fish body weight, and the amount of feed for green feed was within 4-5 hours after feeding.
5. Adjust water as early as possible. In early spring, the water temperature is low, individual fish species are small, activities and food intake are small, and the pond water level should not be too deep. Generally, water is added once every two months, and it is deepened to about 1 meter in April. When water is added, it is necessary to take care to block the net and prevent miscellaneous fish from mixing in.
Six, early prevention of disease. To prevent the influx of sewage into the fish pond, do not feed it with deteriorating feed. Regular drug prevention should be performed. Generally, bleaching powder or copper sulphate should be splashed into the whole pond every 10-15 days at a concentration of 1 ppm and 0.7 ppm.
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