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Fishing pond winter tube
First, reform and utilization of ponds in the winter season to transform, small ponds to change the pond, shallow ponds to deeper ponds. After transformation, it can increase the pond's water capacity and also improve the pond's environment. The ponds with better conditions will also need to be renovated and the pool water will be drained. After sun exposure, the thick silt will be excavated, the weeds will be removed, and the height of the pond will be strengthened. Second, disinfected and trimmed ponds must undergo strict disinfection. Commonly used disinfectants include quicklime, tea dried, bleached powder, etc., but the best disinfection effect is lime. Clear pond disinfection should be selected on sunny days. Dry disinfection uses 50 to 80 kilograms of lime per acre pond, and 5 to 10 centimeters of deep water must be left in the pond to make the lime slurry poured evenly. Third, fertilization Lime pond disinfection after 5 to 6 days, you can irrigation fertilization. Shi Jifei uses 500 to 750 kilograms of pigs and cow dung per mu, or 100 to 200 kilograms of human excreta to fertilize pool water to increase the amount of food organisms in the water to meet the needs of fish species. Fourth, stocking should be based on the past year's stocking experience and pond water and beverage supply conditions, as well as feeding methods, determine the appropriate number of stocking and fish mix ratio. Early stocking of fish species will enable fish to adapt to a new living environment earlier, eat earlier, grow early, and relatively prolong the growth period. From the winter solstice to the beginning of spring is the best season for stocking fish, because during this time, the temperature and water temperature are relatively low, the scales of fish are tight, and the fish body is not easily damaged during fishing and stocking operations, which can reduce the incidence and mortality of fish species. rate. V. The immunization of qualified fish species is an important condition for high yield and stable production of adult fish. The size of stocked fish species should not be too small, requiring a body length of 20 cm or more. The fish species are robust, disease-free, and have a clear and vibrant body color. Fish ponds are first immersed in 4% salt water for 5 to 10 minutes or sterilized with other liquids. Green and grass carp were injected with immunity. Inactivated vaccine for inactivated hemorrhagic disease 0.5 ml was injected into each tail of blue and grass carp above 20 cm, and 0.3 ml was injected below 20 cm. Six, feeding tube to put a tube, a tube in the end. After the fish species is under the pond, in case of cold weather, it is necessary to deepen the antifreeze of the pool water. When the sunny temperature is high, it is necessary to properly feed some concentrate feed to ensure the fish need to eat and promote its growth. Peacetime should adhere to the tour pond, find problems and solve them in time.
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