Common disease of fish-turning Gill
Arowana is a very beautiful ornamental fish, but it is easy to turn the Gill, that is, the software roll at the end of the operculum. Although the disease is not fatal, it affects the appearance of the fish, so it must be treated. The main cause of arowana turning Gill is the problem of water quality, which is often caused by the lack of dissolved oxygen in the water and the difficulty of breathing caused by improper change of water. The solution is to improve the filtration system of the fish tank and increase the dissolved oxygen in the water; the second is to install a surf pump in the fish tank to strengthen the flow speed in the fish tank. Arowana likes to parade against the current and restore the rolled Gill cover through strong current. If the arowana has been turning Gill for too long, can not be recovered with the above methods, have to take surgical methods, Gill roll cut off, about 2 months, the new Gill roll will be the same as the original. In fact, as long as you pay attention to observation in peacetime, change water evenly and maintain good water quality, you can generally put an end to the phenomenon of arowana turning Gill. Even if it appears, as long as it is dealt with in time, the Gill turning phenomenon of arowana can be cured within 3 or 5 days.
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Processing technology of grilled octopus with charcoal
Octopus is a mollusk phylum, cephalopod, there are 8 brachiopods, also known as "octopus", "steep". There are real octopus, common name Zhenzhang; short octopus, common name Yanzhang; long steep, common name Wangchao. Octopuses inhabit the sea floor, crawl or row on their wrists and feet, and feed on small benthic fish, shrimp, crabs and shellfish, which are distributed along the coast of China. Octopus is an excellent seafood with rich nutrition, delicious taste and unique taste, but also has high medical value. It is deeply welcomed by Chinese and foreign consumers and has been sold as high-grade aquatic products. But,
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The method of improving the resistance of fish
In recent years, with the expansion of aquaculture scale, the improvement of aquaculture production and the deterioration of aquaculture environment, the diseases of farmed aquatic animals are becoming more and more serious, which restricts the improvement of aquaculture production to some extent. At present, under the condition of artificial culture, it is unrealistic to control and eliminate all pathogens. In order to control the occurrence of fish disease, the author thinks that we should first improve the fish resistance, supplemented by drug treatment, the effect will be better. Here are several methods to improve the resistance of fish for reference. Stocking fine varieties is the first choice to improve the resistance of fish.
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