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Ruiwei Brand Qingtang agent (Qingtang net) characteristics of EC and its application in production
Ruiwei Brand Qingtang Agent (Qingtangjing) Properties of EC and Application in Production Ruiwei Brand Qingtang Agent (Qingtang Net) EC is a compound preparation with pure plant extract and strong killing effect. Now it will The trial results of the product in the laboratory and some aquaculture farms are summarized as follows: 1. Product stability: The product was sealed and stored at room temperature after 6, 12, 18, 24, 30 and 36 months. The product was sampled for quantitative analysis. The content of active ingredients was determined by liquid chromatography: 99.7%, 99.5%, 99.4%, 99.2%, 99.1%, and 99.0%. The visible properties were stable. After three years of storage, the active ingredients were still in compliance. Related quality standards. 2. Toxicity of the product: It was completed in the laboratory aquarium of the company. The test subjects consisted of ten species of cockroaches, cockroaches, cockroaches, cockroaches, astragalus, loach, crab, shrimp, cockroach and snail, and the test methods were according to the World Health Organization (WHO). ) The prescribed biological toxicity test procedures are carried out. The test water quality meets the fishery water quality standards. The indicators are: PH value 6.8-7.5, total hardness 7-8, dissolved oxygen not less than 5mg/L, water temperature 10°C-17°C. In addition to snails and cockroaches, the 12-hour lethal concentration was 0.06 ppm, and the snails and cockroaches had a 24-hour lethal concentration of 0.06 ppm. 3. Residues and “triple causesâ€: The fish was examined by chromatography, and the average depth of 30 cm was used to apply 15 ml per mu. After 7 days, the fish was released. Samples were taken after 10 days. There was no drug residue; the bath was bathed for 3 hours at 0.03 mg/L. After that, no chromosomal damage was induced in the cells and no “triple inducement†effect was observed. 4. Practical application: Since the end of 2003, practical applications have been made in some ponds in the ferry farm in Changshou County, Chongqing, and the ideal results have been achieved. About 300 acres of old ponds and ponds of Wang Zhenjiang and Chen Beiguo were farmed at an average depth. 30cm per mu of medication 15ml clear pond, pupa, crickets, etc., died after 10 minutes, part of the fleas, snails, etc. stopped crawling after 30 minutes, clear pond test water after 7 days, the fish activity is normal. After 3 months, the levels of toxic and harmful gases such as free ammonium, nitrite, and hydrogen sulfide in water were determined to be significantly lower than those of other fish ponds that used clear lime ponds. Through the analysis of this year’s breeding disease records, bacterial and parasitic diseases were detected. The incidence rate also decreased significantly, and the amount of medication was reduced throughout the year. In addition, trials at the Geleshan fishery in Shapingba, Chongqing have also achieved satisfactory results. At the end of 2004, the trials were promoted in Sichuan, Chongqing, Guangdong and Guangxi, two lakes, and Jiangsu and Zhejiang, which also won praise from farmers. 5. Discussion: The key to clear pond products is to remove wild fish, shrimps, snails, and cockroaches from the pond, and effectively reduce the content of free ammonium, nitrite, hydrogen sulfide and other harmful gases in the water. It can clear pathogenic microorganisms, parasites and eggs in ponds, lay a foundation for the next season's production and breeding, and has the advantages of convenient use and reasonable price. From the current point of view of the characteristics of various commonly used Qingtang drugs, no one can achieve the above conditions at the same time, but the Qingtang agent (Qingtang net) developed by Chongqing Ruiwei Biotechnology Co., Ltd. is no doubt a good solution. Technical difficulties and the need for large-scale aquaculture production. 6. Conclusion: Through the laboratory and production trial results of Qingtang agent (Qingtangjing) produced by Chongqing Ruiwei Biotechnology Co., Ltd., the product has the following characteristics: 6.1. Clear pond: In a short time It effectively kills miscellaneous fish, shrimps, snails, maggots, etc., and at the same time can reduce the free ammonium, nitrite, hydrogen sulfide and other toxic and harmful substances in the sludge, and it can also kill pathogenic microorganisms and parasites in the water. 6.2, easy to use: water can be spilled, and the same as water agent insecticides, disinfectants easy to use, reducing the heavy workload of other clear pond drugs. 6.3. Low unit cost: Using other Qingtang drugs, the clear pond cost per mu is about tens of yuan, and the product can reduce the cost of the clear pond to a few yuan per mu. 6.4. The main components of the product are plant extracts, which have fast degradation, no residue, safe use after use, and no “triple impactâ€. It is not difficult to see from the above analysis that Ruiwei Brand Qingtang Agent (Qingtangjing) EC is undoubtedly the best alternative to existing Qingtang pharmaceuticals such as quicklime, bleach, tea cypress, croton, sodium pentachlorophenate, trichlorfon, etc. product.