Disease control of soft-shelled turtle-mumps disease
Etiology: the cause is unknown and may be caused by a virus.
Symptoms: some of the diseased soft-shelled turtle had enlarged neck and bleeding organs; some had bleeding spots on the abdominal nail, and mouth and nose bleeding could be seen in the later stage of the disease. The disease has two characteristics: first, the neck is enlarged, but not red; second, there are clots or no blood in the gastrointestinal tract. On his deathbed, his neck stretched out.
Prevention and treatment:
The main results are as follows: 1) due to the unknown etiology, there is a lack of effective treatment and prevention. "Nongfu 3" is often fed for 1-2 days, once or twice a month.
2) the pond water is regularly sprinkled with "fish disinfectant", "disinfectant" or "Yujuanqing series disinfectant" in the whole pond, and "Qiangke 103" is regularly added to the bait, one pack of medicine for every 500 jin of fish for 3 days for 7 days, which can enhance immunity.
3) when diseased soft-shelled turtles were found, they were removed and isolated in time, and at the same time, the whole pond was sprinkled with "fish disinfectant", "disinfectant" or "Yujuqing series disinfectant".
4) the undiseased pond was also soaked in formalin 100ppm and changed the water, sprinkled with "Yujiaoqing series disinfectant" in the whole pond, and fed with "Biekang" or "Qiangke 99" for 3 to 5 days, 2 times a month.
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Cage cultivation techniques of Pseudosciaena Crocea fingerling
First, the setting of the cage 1. The flow velocity of the selected sea area is generally less than 1 m / s, and the flow direction is straight and stable, avoiding being set in the sea area with migratory cyclone. At low tide, the bottom of the box should be more than 1.5 meters from the bottom of the sea. The surface water temperature of the sea area is 7: 30 ℃, the salinity is 12: 32, and the transparency is between 0.2 and 3.0 meters. two。 Selection of cage specifications at present, the cages for cultivating Pseudosciaena Crocea fingerlings are all floating cages, that is, the cages are suspended in 10 wooden frames of 5 meters × 5 meters.
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Fish head bean curd soup with rich noodles
Cuisine: Sichuan food raw materials: 2 fish heads, 50 grams of shiitake mushrooms and bamboo shoots, 100 grams of tofu. Production process: first deep-fry the fish head; then add a little bean clove, spring onion, ginger and garlic, add the soup to boil and remove the dregs, put in shiitake mushrooms, sliced winter bamboo shoots, tofu, soy sauce, salt, monosodium glutamate, pepper, cooking wine, fish head cooked, thicken and sprinkle with green garlic.
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