Shrimp pond abnormal phenomenon and treatment method

First, the basic criteria for the health of shrimp pool 1. Pool bottom: clean, no pollution, no odor, no moss, different color phenomena or black rot. 2. Pool water: 1 The water color is yellow-green or yellow-brown. The transparency is 35--40 cm and the color is fresh. It will not change due to the weather. 2 pH 7.6--8.5 is appropriate, dissolved oxygen requirement is 5 mg/L or more, ammonia nitrogen is ≤0.02 mg/L, hydrogen sulfide is ≤0.01 mg/L, nitrite is ≤0.02 mg/L, COD≤6 mg/L, total Alkalinity 20--200 mg/l, total hardness 20--800 mg/l. 3 The water is free from turbidity, and the surface is free of floating foam. It is clean and free of noctilucent insects. There is no white, yellow or other color foam under the wind when the wind blows. 3. Shrimp physique: strong activity, normal growth, robust physique, transparent shrimp, no hair, parasites, parasites, gastrointestinal food full, normal pancreas color, no swelling and other phenomena. Second, shrimp pond abnormal phenomenon processing method Dirty conditions at the bottom of the pool indicate that there are many black substances at the bottom of the pool, with serious pollution, odor, acidification of the bottom, compaction, floating foam on the water surface, and bubbles appearing. The treatment method is to use Bacillus sp. 1--2 ml/m3 or photosynthetic bacteria 5--10 ml/m3 or clear water 1 to 2 ml/m3 Jiuji combined zeolite powder 40 kg Quanchiposa, use again after 3 - 4 days . 2. The water quality is not normal (1) The pool water is thin and its transparency is more than 40cm. Nitrogen is applied at 3kg at a depth of 1m per acre at about 9am, 0.5kg of phosphate fertilizer is used for 2 to 3 days, or EM is exposed to 1.5 to 2kg/mu. (2) The pool water has yellow, brown, red, turbid, and other abnormal water color to increase the water exchange volume; apply complex copper 0.3--0.5 g/m3 in conjunction with the grain and oxygen in the whole pool, and then use the bottom quality modifier to improve the quality of the bottom. , And with Bacillus subtilis, photosynthetic bacteria, EM original exposed, Yishuining, etc. to regulate water quality. For shrimp ponds where shrimp deaths occurred, 200 grams of mixed copper bleach 1.4 grams of copper huric acid (a chelated copper salt) can be used. (3) Noxious insects such as noctiluca in the pool water, 1 meter deep water per acre, 0.3--0.5 g/m3 copper complex or 1 g/m3 copper zinc acetate diluted Quanchiposa. (4) After the rain, the normal shrimp swims in the water and the floating head activates the aerator; before the rain, the oxygen is applied or the Banlangen is splashed; when severe hypoxia, sodium peroxide, etc. can be used, and it is fine. After the whole pool is disinfected with povidone iodine, chlorine dioxide, and quaternary ammonium iodide. (5) pH is too high or too low 1 pH is too low, 3 to 5 kg of quicklime or 20 to 50 kg of dolomite can be applied per 1 mu of water; 2PH is high and water can be regulated by alkali-negative enzyme or alum. For example, if there are more algae, it can be first used to kill algae with complex copper or algae to reduce the pH, and improve the quality of the bottom after 3 to 5 days to prevent algae from deteriorating. (6) Ammonia nitrogen exceeds the normal index to control the amount of topdressing and topdressing, to ensure that the water quality is too concentrated to cause the phytoplankton to multiply, to increase the pH, thereby exacerbating the toxicity of ammonia nitrogen, and to use microbial preparations to regulate water quality; Dissolved oxygen; increase the amount of water exchange; use the bottom modifier. (7) If the nitrite exceeds the standard, if the pH is normal, 4--5 kg ​​of quick lime can be applied per acre; the use of strong oxidants such as sodium trichloroisocyanurate, potassium permanganate, etc. promotes the conversion of nitrous acid; when the water quality is relatively thin , can Quanchiposa high-efficiency fertilizer, promote phytoplankton use of nitrate in the water, so that nitrite is slowly transformed and absorbed, to achieve the purpose of degradation; use Guangtai bacteria, Dr. No. 1 with the grain of oxygen oxygen Quanchiposa, etc. . (8) Excessive application of hydrogen sulfide in the range of 10 - 20 g/m3; Quanchiposa 2 gram/m3 of iron slag; When the concentration of hydrogen sulphide is excessively excessive to cause poisoning, 2.5 to 4 times of the equivalent of hydrogen sulphide can be used as copper sulphate. Prepared as a 0.5% solution Quanchiposa. (9) Anoxic floating heads such as ammonia-nitrogen-rich floating head caused by high ammonia can be used to reduce the ammonia nitrogen, and then use the grain-size oxygen with sediment modifier Quanchiposa; if the temperature is too high caused by floating head can be directly applied oxygenation agent, And insisted on the use of biological agents to regulate pool water. Note: pool water is often a variety of factors that affect each other, mutual constraints, pH is the most important issue in the water body, generally should be given priority. 3. Shrimp physical problems (1) Shrimp body changes slowly, gradually raise the water level and stabilize the water environment; 2 kg of EM is applied per acre; if the bottom of the pool deteriorates, the bottom quality can be improved, and then the whole pool is disinfected. Once; add immune polysaccharides, EM crude, and vitamin C in the feed to enhance the prawn's constitution. (2) Shrimp appear red or white spots and there is death phenomenon to strengthen water disinfection, available povidone-iodine, quaternary ammonium iodide, chlorine dioxide and other disinfection every 3 to 5 days; regular application of photosynthetic bacteria 5-- 10ml/m3, EM is exposed to 3--4ml/m3, zeolite powder is 30--40kg/mu; at the same time, 2% of EM is exposed orally, compound enrofloxacin, vitamin C, allicin, immunopolysaccharide, etc. 5‰; If you meet the market specifications, you can consider timely collection.

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