Prevention and treatment of Gill rot disease of cultured puffer fish
[symptoms of globefish Gill rot disease] the diseased puffer fish moves slowly, blackens the body, has difficulty breathing, swims slowly in the upper layer of the water or by the pool, and loses appetite. When the Gill cover is opened, it can be seen that the Gill filament mucus increases, and when it is serious, the end of the Gill filament decays and defects. some Gill filaments are gray and white, often adhering to silt and debris fragments. Take a few Gill filaments and mucus and put them on the slide, add 3 drops of distilled water, cover the slide, place it for a few minutes and then observe. At the edge of the Gill filament, the bacteria integrated columnar or haystack, constantly shaking or swinging, and the swimming of a single cell could also be seen. The ends of Gill filaments are rotten and Gill filaments are curled.
Prevention and treatment of globefish Gill rot disease 1 ① often tests the water quality, regularly changes the water, absorbs dirt, and keeps the water clean. Disinfect ② fish and soak in 2%-4% saline solution for 10 min. ③ is sprinkled with 0.2mg bleach (containing more than 30% available chlorine) in the whole research pool every 10m every 15 days to disinfect the water. ④ furazolidone 0.1fr 0.2 mg /) 1 was sprinkled in the whole pool. ⑤ chloramphenicol hydrochloride 0. 3Mel 0.5 mg / L whole pool sprinkled. ⑥ was fed with 0.1ml 0.3 g erythromycin bait per kilogram of feed, which was halved from the second day for 6 days. ⑦ was fed with 0.1ml 0.25g oxytetracycline hydrochloride bait per kg feed for 5 days. ⑧ was fed with 0.2 ml 0.4 g norfloxacin bait per kg feed for 7 days.
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Control of wheat yellow plague of cultured grass carp
Barley yellow and White Dew's heart are two key seasons for the high incidence of grass carp disease. At present, with the gradual increase of air temperature and water temperature, grass carp has also entered the season of high incidence of disease. Grass carp wheat yellow blast refers to the mixture of grass carp Gill rot disease and red skin disease before and after barley yellow.
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Prevention and treatment of hepatic linear hemorrhage of cultured puffer fish
[symptoms of hepatic linear hemorrhage of puffer fish] the body color of the diseased puffer fish is black, and the color from the eyes to the kiss is obviously lighter, sometimes the body color of puffer fish becomes lighter and paler. Sometimes the base of caudal fin, anal fin and dorsal fin is congested. Cutting open the abdomen of the fish, you can see that there are 12 bright spots on the liver.
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