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Bacterial gill disease. The disease is mainly caused by fish myxococcus. Diseased fish pupa rot rot, often attached to the sludge and the liquid, in serious cases, the sacral epidermis was corroded into a small transparent window area, the sick fish swim alone, floating slowly on the surface of the water, body Color gradient black, black head. The onset of disease is April-September each year, and it is most prevalent from July to September.
Treatment: 1 per cubic meter of water with 1 g of bleach Quanchiposa, interval 1 day and then again. 2 25 kilograms of lime in the whole pool at a depth of 1m per acre. 3 Sprinkle every cubic metre of water with 3 grams of rhubarb solution twice in a row. The specific method is: per kg of rhubarb soaked with 20 kg of 0.3% ammonia for 12-24 hours. After the liquid is red-brown, the liquid and dregs are diluted with the water in the pool and spilled in intervals of 2 days.
Outbreak hemorrhage. The disease is mainly caused by a bacterial infection in an adverse environment, or by a virus, followed by the spread of germs. Diseased fish gills cover and each fin, body side have different degrees of bleeding spots, especially reflected in the iliac valve is full of blood clots and blood dripping liquid. The liver and gallbladder are swollen and the surface of the liver is dark yellow or pale white.
Treatment: due to the loss of appetite in sick fish, or even anorexia, coupled with a large number of bacteria in the body of the water, fish, it should be used Quanchiposa a new drug fish blood stop (Ke Ruiling) 0.2 percent Five or new drug chlorine dioxide preparations 0.7% to 2.7 million parts per million or Yingshi disinfectant 0.7% to 1.4%. Such oral administration for 3-4 days will give good therapeutic effect. In addition, due to parasitic worms, worms and other carriers, the use of fish killer killer and imidazole king first, can receive more effective.
Shop heads. It is caused by the maggots of the head of anchovy in the fish's beak, skin, fins, eyes, mouth, etc. With the naked eye, it can be seen that the first half of the worm body is drilled into the parasite tissue, and the latter half is exposed outside. The surrounding tissue of the parasite is stained and inflamed to form erythema-like erythema. The head of the anchor head penetrates into the muscle tissue and can cause chronic proliferative inflammation. The part of the wound that communicates with the outside world is also characterized by ulceration, which can easily cause infection. The diseased fish is initially uneasy, loss of appetite, weight loss of the fish, and severe death. The treatment is sensitive to trichlorfon crystals, which can be used from 0.125 to 1.5 millionth of a million insecticidal liquids. Quanchiposa and 0.4% of chlorine are used. Quanchiposa spills on the wounds of fish to prevent bacterial infection. This method is ideal for the treatment of color iron anostomosis.
Clever management of three epidemics of salmon
Squid is a rare commodity fish but susceptible to microbes and parasites. In addition to biological and human factors, a large number of deaths of eels due to disease have occurred from time to time.
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