Pond Aquiculture Technology

Alice mouth red, common name white fish, eat floating feed. The fish is strip-shaped and likes to roam in deep water. The meat is tender and delicious. The development of Aphrodisiac red breeding, good efficiency.
1. Pond conditions Aquaculture ponds should be well-lit, ventilated, with no shelter around, and convenient for drainage and drainage. The soil quality should be black loam, with a pH of 7 to 8, an area of ​​1 to 3 mu, and a flat bottom, with no sludge. Tanggu is solid and watertight, and pond depth is not less than 2.5 meters.
2. The fish species should be selected for rearing red beetles. Large-sized high-quality larvae should be stocked with 10-13 cm/tail (60-70/500 g) or 9-10 cm/80-90 tails. (500g), 1000 can be placed per acre. Due to the red mouth, eating buoyant feed, per acre can be set 100 ~ 200 / tail (50 ~ 100 / 500 g), 150 ~ 300 tail fish (10 / 500 g). With the use of nested fish species can play a role in cleaning the food market, devour sediment food, regulate and improve water quality.
The fry is best to be released every winter, and no later than the end of March. Before the seedlings are released, the temperature will be lower, which will increase the survival rate of the fish. The biggest weakness of Alice Red is that the scales are relatively soft, and the operation is slightly careless, and it is prone to loosening and falling to death.
3. Scientific and reasonable feeding of bait feeding technology is the main link to capture the breeding and breeding of red crops. After the fish species enter the pond, there is an adaptation process for the new water body, ie, there is a half-month adaptation period, and a small amount of opening materials can be put in later. , Then you can do normal feeding. Feed should be selected as the counterpart of buoyant feed, every 50 kilograms of eatable fish per day, the amount of feeding 1500 ~ 2500 g, feeding time should be based on the eating and eating fish, food and beverage shortages, climate, water quality and other factors to grasp. General feeding methods: From March to May, 4 times a day, from 6 a.m. to 6 p.m., every 3 hours; from June to July, 3 times a day, from 6 am to 6 p.m. Mastery; from August to September, twice a day, from 8 a.m. to 5 p.m., once in the morning and at night; from October to November, twice a day, from 8 am to 4 p.m. Basically stop eating after months.
4, pool water management pool water management should be based on the growth stage of eating fish and the temperature, the seedlings when the water depth of 1 meter, high temperature weather should be 1.5 meters deep. Due to the large temperature difference between the deep water and the water meter, the red mouth is not suitable for the high temperature of the water meter, and it is lazy to feed on the water. Therefore, it is necessary to minimize the temperature difference between the upper and lower water bodies to provide close feeding conditions for eating fish. The water depth in autumn is 2 meters, and the temperature difference between the upper and lower is close. , is conducive to eating fish floating freely eating.
Under normal circumstances, fish ponds do not need frequent water changes. Once there are too many leftovers or water quality is found, new water can be injected and old water can be discharged, commonly known as horse racing water. Inlet and outlet should be equipped with a firm barrage, the water change is usually 1/2, the transparency of the pool water is controlled at 35 cm; if the pool water is not enough, special aquatic fertilizers (biofertilizer and organic fertilizer as raw materials) can be added. , The dosage may refer to the instructions for use or the fat of the pool.
5. Disease Prevention and Control New breeding aphrodisiac? Pond disease generally does not occur, but the normal disease prevention and disinfection, sterilization can not be ignored.
(1) Before the fish species enters the pond, the pond water is disinfected with copper sulfate twice, and 250 g of water is used per meter of water depth per mu. The main role: to promote scaling and enhance self-protection capabilities, taking into account insecticidal sterilization.
(2) After the fish is introduced into the pond, it may easily cause hydropodium because the flies may loosen or fall off during transportation. Potassium permanganate can be used for prevention and treatment. The dosage of 750-1000 grams per mu per meter of water depth, and the temperature below 15°C, should be reduced as appropriate.
(3) Strengthen the inspection of patrol ponds, find predators, and promptly use the drugs of the counterparts to completely remove them. The red worm is a pest that often occurs in fish ponds. It can be controlled by divine drugs. The dosage is 30 grams per metre per meter of water, and the whole pool is splashed after dilution. Chlorella can be killed with copper sulphate in an amount of 350 to 400 grams per mu per meter of water. Moss can be made of copper sulphate or moss, which can be used alone or in combination. After dilution, the whole pool is splashed. Single use: 500 grams per gram of water per gram of copper sulphate, 500 gram of water per gram of water per acre of moss. Combined use: Each metre per meter of water depth with copper sulfate 150 ~ 250 grams + 500 grams of moss net, dilute and mix after the spill, the effect is better.
The use of the above drugs can also refer to the instructions for use, all can be a kill; multiple use, no side effects, does not harm the normal growth of fish.
6, matters needing attention
(1) To prevent oxygen deprivation, an aerator must be provided. According to the weather forecast, fish activities, and eating conditions, the oxygen aerator should be opened and closed to ensure that the pool dissolves more than 5 mg/l of oxygen; debris in ponds and residual baits in water are removed.
(2) Alice mouth red? Very sensitive to drugs, medication should be used with caution, do not overdoses, misuse. Loss of appetite 1 to 2 days after treatment is normal and does not need to be panic.
(3) The aquaculture water should not be less than 1 mu, and the area is too small, which is not conducive to the floating of floating feed, and is not conducive to the setting of the food table. The size of the food table 150 to 180 square centimeters is appropriate.

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