Large yellow croaker in the diagnosis and treatmen -

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Large yellow croaker in the diagnosis and treatment of echinococcosis of the Nideng

1 year 16 July, the water temperature of about 28. ST:, diseased fish average weight of 210 g / tail, breeding density of l0-15 fish / m ',[link widoczny dla zalogowanych], the raft was floating cages, each cage the size of 3 m x3 m x3 m, the first sporadic death and then gradually increased the number of deaths to 26 July, a large number of deaths, the same day to cure measures, Aug. 1. The basic condition to be controlled. Second, the possession of seeds, symptoms and damage was reported, I kept aquarium Chi Mu L frequently breaking the Nideng echinococcosis, caused when a large number of serious death. Disease of large yellow croaker in my Chi against growing aquaculture industry,[link widoczny dla zalogowanych], harm fish, into fish, popular in summer. Spread in the short term, a common cause of secondary infection, the mortality rate is higher. The Nideng worm parasitic in the fish's skin, usually on the back of the head and the most common, but in the eyes, fins have been found. Diseased fish found floating in the water, swimming slowly, head, skin, fins increased mucus sub-aldehyde; surface began to have white spots, and then expand into the film was spot-shaped; some white fish the entire tail fin, and then defect, decay; part of the diseased fish eyes and pale, like cataract symptoms,[link widoczny dla zalogowanych], severe eye irritation congestion or black, or even fall off; a gU ulcer disease fish muscle surface, the head or chin wear honeycomb tear. Third, and prevention of mother-off, the liver, spleen, kidneys and other organs were normal. 5. Control techniques: (1) inflatable water bath with 5 to l0 minutes of diseased fish, plus furazolidone lO a 20 mg / l (based on fish size and affordability of the bath to determine dimensions and time). (2) made of plastic woven boxes and cages with large bags, moved from the cages at the end sets of people, control the net depth of 0.5 meters, adding 20ox10 ~ a 300x10 mg / L of furazolidone bath 20-30 minutes (medication, be sure to observe fish activity, such as unusual, immediately let go of the bag cage, quickly dilute the liquid, if necessary, oxygen spill Jing) . (3) to be flat when the tide or low tide, with the. Long Qing Sao bacteria img '_D.1-0.2 mg / L dilution edge even spill edge (to avoid the risk of high local instantaneous dimension), preferably technical staff to guide the prevention and cure of fish diseases. (4) trichlorfon hang the bag, with nails to play two holes at the bottom of Trichlorfon. hung in the cage on the corner of two bottles of trichlorfon. (5) with Taiwan investment Hello Chinese herbal medicine, IV Discussion and Conclusion 1. Present. Rhubarb cage with the constant expansion, high density of sea cage culture,[link widoczny dla zalogowanych], culture of pollutants discharged into the sea continuously, causing water pollution breeding areas. A variety of harmful bacteria, parasites multiply, resulting in frequent disease of large yellow croaker; and means of prevention and cure of disease is relatively backward, large yellow croaker breeding industry is bound to hinder the healthy, orderly and sustainable development. 2. The majority of farmers to improve farming techniques, disease prevention activities and comprehensive business management level, to enhance its. No disease prevention, early treatment sick 2. Bacterial detection: under sterile conditions, from the body surface, gill, intestine,[link widoczny dla zalogowanych], kidney and other organs isolated bacteria, the results of the liver, kidney sterile, gill, intestine a small amount of bacteria detected in a large number of surface lesions of Vibrio , the susceptibility test, ciprofloxacin, ofloxacin, a new mold tangled, highly sensitive to kanamycin. 3. Water quality testing: physical and chemical factors Wing character sets basic standards for aquaculture, dissolved oxygen 6.33 mg / l , specific gravity 1.020, pH value of 83, the chemical oxygen demand of 0.32 mg / l, ammonia 0.039 mg / l, nitrate nitrogen 0.o40 mg / l, nitrite nitrogen 0008 mg / l, inorganic phosphorus n0l1 mg / liter. eutrophication index of 0.20. 4. Necropsy Analysis: visceral anatomy of the results, in addition to intestines, stomach congestion made in varying degrees, the main pathogenic factor is the Nideng insects, if the line in the book during the season, with the. Gu Qing Long bacteria Also, pay attention to consolidating the efficacy, compliance, Pat not been able to control the time, resulting in greater losses. So to remind the majority of farmers must adhere to cure a course of treatment, an interval of 7 days and the consolidation of a l0; to several drugs linked units, alternately, to prevent drug resistance, anti- herbs, the best prevention and treatment with Chinese herbal medicine; use Taiwan as drugs, medicines should be noted that the antagonism between a Marine and Fishery Bureau of Fujian Xu Jianfeng Lianjiang Phone (os9t) 6232597 Zip 3505O0 �� 4l

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