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Shanpingtang fish breeding high yield technology
I. Water 1, water source and water quality: The pond has enough water, and it is convenient for water injection and drainage. It has good water quality, high oxygen content, and no toxic substances. 2. Area and water depth: It is required that the pond area is 2-8 mu; the water depth is 1.5-3 meters, and the conditions are poor. It is necessary to carry out the transformation, which will change the depth to a small depth and change the size of the small water to change the stagnant water. Second, the species stocking 1, the source of fish. Fish species stocked in fish ponds are mainly cultivated by fish farmers themselves. 2, the quality of the fish bell. Requirements of uniform specifications, back muscle thick, bright color, no injury, no parasites, strong anti-water, off the water in the pot lid does not open, the tail does not bend, beat more than. 3, fish stocking time. After the winter season, the adult fish are sterilized and the stocking is completed before the end of February. Fish stocking must be done on a sunny day. Disinfect fingerlings before stocking. Grass carp needs to be immune treated. Third, fertilization and feeding 1, fertilization. The pond is fertilized, and the base fertilizer and top dressing are divided into two types. (1) Shiji Fei: Organic fertilizer, manure, and green manure are generally used. A large amount of Shiji fertilizer should be given enough time, depending on the pond fertilizer? C per mus of 250 to 500 kilograms. Fertilizer ponds and fish ponds with many years of fishery, more silt in the bottom of the pool, can be applied less or not (2) application of fertilizer: A, organic fertilizer: topdressing organic fertilizer should grasp the principle of timely, small, multiple times. The amount and frequency of fertilization vary depending on the type of water temperature, weather, and stocking. The amount of fertilizer to be applied should be about 25-100 kg per mu. Keeping the pool water “fat, live, tender, and cool†is usually 25-40 cm. B. Chemical Fertilizer: Generally, the average water depth per mu is more than 1 meter, and 1 kg of urea, 3 kg of superphosphate, 4 kg of ammonia bicarbonate and 4 kg of calcium magnesium phosphate fertilizer are applied. Phosphate fertilizer is first melted in 20-30 times of water, and then nitrogen fertilizer is added to dissolve, and Quanchip is splashed. The order of dissolved phosphate fertilizer and nitrogen fertilizer cannot be reversed. During the period from June to September each year, when the water temperature is between 20-30 degrees, it can be applied every 5-7 days according to the water color, the weather, and the living conditions of the fish. Apply from 9 a.m. to 2 p.m. to maintain a transparency of 25-30 cm. Do not apply on cloudy, rainy or hot days. 2, feeding (1) feed plan and decomposition, according to the seasons, weather and fish activities and eating conditions, scientific feeding. (2) feeding technology, feeding adherence to the principle of "determining", not only qualitative: feed should be fresh, palatable, as much as possible to improve the nutritional value, do not feed rotten degenerate feed, to prevent serious illness; positioning: feeding feed must There is a fixed food market, erection of floating or sinking bait stations, so that it is easy to check the food and disinfection of fish, and prevent serious diseases; timing: generally feeding 1-2 times a day. That is, 9-10 in the morning and 4-5 in the afternoon, each feeding once; quantitative; the number of daily feeding requirements, do it evenly, do not neglect much, so as not to affect the digestion and growth of fish. The actual amount of feed each day must be based on the fish's diet, weather, water quality and other specific conditions. After feeding, it usually takes 4 hours to finish. Fourth, pond management 1, regular patrol pond, observe the fish dynamics. Generally, it takes three times a day to visit the pool early, middle and evening. In the summer season, when the weather suddenly changes, the fish is prone to serious floating heads, and it is also necessary to add a patrol pond in the middle of the night. And make a record. 2. Keep the surface and water clean. The fish pond should insist on removing the dirt, floating membrane, residue, and leftover bait every day. Cut off the poolside weeds, and promptly collect the dead fish in the pool and dig the pits to avoid polluting the water. 3. Add new water in a timely manner. To maintain the appropriate amount of water, usually with the growth of fish, combined with the adjustment of water quality, timely increase the amount of pond water. According to the situation, conditional, ten days or half months of water injection, in order to facilitate the growth of fish. Drought prevention should be done well during the dry season and escape prevention during the rainy season. 4, do a good job pond fish records, record content: (1) date: year, month, day. (2) Weather: Clear, cloudy, rainy, windy, etc. (3) Temperature and water temperature: Normally measured twice a day and once before sunrise, it represents the lowest temperature in day and night, and once in the afternoon at 2-3 hours, it represents the highest temperature. (4) Change in water color. (5) Fish and fishing records: Including type, quantity, total weight, average weight, minimum and maximum weight. The average length, maximum and minimum length of fingerlings. (6) Floating heads, fish diseases and control measures and sampling conditions (including sampling mantissa, length of each fish, weight, average length, weight, etc.). (7) Fertilization, grazing, and feeding records: type, quantity, running time, eating time, etc. (8)Notes, Drainage Records: Note, Drainage Time, and Note Drainage. (9) Open aerator time and hours of use. 5, prevention and treatment of fish disease. The principle of "preventing the main thing and preventing the emphasis on the government" is adopted, and the principle of early prevention without disease and early treatment with sickness should be adopted.