I. Pond Conditions and Facilities
The location of the pond is required to be quiet, leeward, easy irrigation and drainage, good water and water quality conditions, and no worry about droughts and floods; water surface area 0.13~0.33 hectares (2~5 mu), water depth 1.5~2 meters, pond mud depth no more than 25 Centimeters; the construction of anti-escape facilities around the pond, with brick walls, height of 50 cm, a row of bricks against the top of the wall, and 12 to 15 cm into the pool, on the wall can not be a 40 to 50 cm high and Anti-theft and anti-theft escape in the pond; two or three arched food platforms are set in the pond for feeding and basking in the pond; a sand bar at the pond is set to expose water, or an artificial island is set in the pond for rest or sun drying. .
Second, seed stocking
1, Qing pond disinfectant pond before stocking every 667 m 2 (1 mu) with lime 60 ~ 80 kg of water Quanchiposa. And turn the pond mud to kill a variety of diseases.
2. The number of large-scale fish species reared each year for 667 m2 stocking is 800 to 1,000, of which 55% are carp, 10% are carp, 20% are grass carp and carp, 15% are carp and carp; In mid-to-late May, 60-70 pups of 180 g per 667 m will be released. The stocking cubs must be of neat size, robust in physique, responsive, and free from disease, injury, and lustre; the basal part of the plastron and limbs should be light yellow.
3, seed disinfection before the fish ponds, must be used 3% to 4% saline or drug concentration of 0.2 mg / l fish worm bath bath for about 15 minutes to kill parasites; pups available concentration of 20 mg / Rinse potassium permanganate or nitrofurazone in water for 10 to 15 minutes, then let down the pond.
Third, feeding and management
1, feeding bait fish polyculture, mainly to cast feed bait, appropriate put some herbivorous fish feed. Artificial feed is mainly fed: snails, fresh fish, quail, livestock slaughtered and processed leftovers or part of artificial feed, a small amount of investment in some melons, vegetables, bait on the arched food table. The daily amount of earthworms is 8% to 12% of their body weight. Each day is fed at about 9:00 am and 5:00 pm.
2. Water quality is usually changed 5 to 7 days. Change water every time by about 30 centimeters. Add hot water for 2 to 3 days in high temperature season, and use lime for 25 mg/liter every 15 to 20 days. Spilled once. In addition, duckweed can be cultivated in the corner of the pond at an area of ​​5% to 8% of the total area of ​​the pond.
3, day-to-day management ponds must be built guards shed, there are people responsible, adhere to the morning and evening patrol ponds, pay attention to changes in water quality, fish feeding and activities, do a good job in preventing escape, anti-theft, disease prevention and other work. Once the disease is found, timely treatment, the right medicine, to reduce the loss.
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