Disinfection management of fish ponds is particularly important in the process of fish farming. Mastering the correct disinfection method can not only effectively prevent the growth of pests, insects and various harmful substances, but also provide a healthy environment for the fish to grow, and it is also conducive to the improvement of the water environment. Therefore, regular disinfection management work is critical to the growth of fish. So how do you want to disinfect the fish pond? What are the methods? Let's take a look at it.
Fish pond disinfection method
1, bleaching powder disinfection
The amount of chlorine in the bleaching powder is relatively high, and the chlorine reacts with water to produce a variety of chemicals such as hypochlorous acid. Then these chemicals will release the ecological oxygen, and its bactericidal effect is very obvious. In addition, before using bleaching powder, the amount of bleaching powder should be controlled according to the pond area, and it should be uniformly and evenly sprinkled into the pond. It should be noted that the bleaching powder also has certain harm to the human body, so it is necessary to pay attention to the protection work when splashing the bleaching powder.
2, lime disinfection
Quicklime is a commonly used disinfection method. The principle is that quicklime will produce a strong alkaline substance when it meets water, so that a large amount of heat is emitted to achieve the sterilization effect. However, if you use quicklime to sterilize, fish should not be in the fish pond, otherwise it will cause great harm to the fish. Therefore, we usually use quicklime for disinfection two weeks before the stocking of the fry, and control the pond water level to about 8 cm during disinfection.
3, tea dry disinfection
The tea is dried with the residual residue after the oil tea is pressed to sterilize the fish pond. The dregs contain a special ingredient, tea saponin. It contains certain toxins, and its main function is to dissolve red blood cells of fish, so it is very effective for controlling some fish. In addition, tea dry disinfection is generally carried out in the winter sunny days, it is best to start when the fish floats, and splash it into the pond, which can improve the disinfection effect and reduce the cost.
4, disinfection precautions
When using disinfectant products, it is necessary to pay attention to controlling the dosage. If the dosage is too low, the effect is not obvious, but the excessive growth of the fish will cause great harm. In addition, we must reasonably control the time according to factors such as weather changes, and maximize the efficacy. Usually the best time to smear is usually at noon on sunny days, when the temperature is low, such as rainy days.
In general, the disinfection work of fish ponds is very important. If the relevant disinfection work is not carried out properly or the disinfection is not properly done, the healthy growth of the fish may be affected, and the risk of breeding income is extremely high. At the same time, it is not possible to blindly disinfect in order to increase profits, and scientific disinfection must be done.
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