5 Things to Do for a Healthy Fish Pond
Aquaculture farmers know that after several years of use in fish ponds after excavation and pond lining, collapse, bottom silt deposits, and clogging of water inlets and outlets will occur. The environment of fish ponds will deteriorate after stocking for a period of time. This is caused by the residues of feed residues, fish excrement, and drugs used. These pollutants are deposited in the sludge at the bottom of the pond. It is difficult to remove the water by changing the water. Over time, the environment of the fish pond will deteriorate, which is not conducive to the growth of the fish, and will reduce the fish production or even cause the fish to die. So what is the way to remove this pollution? To have the healthiest fish pond and increase fish production, you must do 5 things in pond health management.
Most, you need to clear the bottom of the pond for silt and vegetation. Due to the use of pond liners, there is not a lot of silt and vegetation, but because most fish ponds have been soaked in pond water for a long time and washed with rainwater, silt and vegetation are generated, reducing the actual area of the farm pond fish, and after cleaning pond silt and vegetation To avoid the shallowness of the pond, the reduction of fish carrying capacity, and the lack of oxygen in the water body; at the same time, the silt and vegetation are the hiding places of pests and diseases, and it is easy to break out various fish diseases in the high-temperature season. Thus, the annual dredging and vegetation work is essential.
Fish ponds should be cleaned at least once every 3 years, usually in winter and spring to remove silt and vegetation, which can kill pathogens and parasites, improve the ecological environment of the pond, and improve the fertility of the fish pond.
In the critical season of aquaculture, according to the specific conditions of the fish pond, photosynthetic bacteria, Bacillus, nitrifying bacteria, EM bacteria liquid, etc. are applied in a targeted manner to improve the substrate and water quality, reduce toxic substances and toxic effects, increase dissolved oxygen, and promote fish. class growth. To increase the oxygen content in the water, pay attention to taking oxygen-enhancing measures when the water temperature is high and the air pressure is low. If conditions permit, a mechanical aerator for the fish pond can be installed in the ginseng pool. At present, the used mechanical oxygenation method is the aeration method. There are two methods of aeration. One is to stir the water surface such as a waterwheel to lift water; the other is to install an aerator in the water. According to the water quality and environmental conditions of the pond, choose the appropriate aeration machinery and method. In a pond with obvious water temperature stratification, if the air is introduced into the lowest part of the bottom layer, the surface water quality will deteriorate. This method is not advisable. Aeration should not only provide oxygen for the water body but also end other harmful gases such as nitrogen. The effect is to balance the dissolved oxygen content in the water and tend to the state of natural water quality. The purpose is to increase the dissolved oxygen content in the pool water. The unconditional oxygenation of the ginseng pool is low in air pressure, that is, in the most prone to hypoxia. In some cases, the oxygenating agent can be put in or mechanical water filling can be used to solve the problem of insufficient dissolved oxygen content at the bottom of the pool. It can keep the fish in the fish pond healthy.
Healthy fish ponds should also be disinfected to ensure the control of overwintering diseases and insect pests in fish ponds. Pump the water of the fish pond to about 10 cm, dissolve more than 100 kilograms of quicklime per mu with water in a bucket, and then spray the whole pond while it is hot for disinfection to kill parasites, bacteria, and pests of fish, increase calcium ions in the water, and improve water quality. of fatness. When spraying fish medicine in the whole pond, besides using the fish medicine according to the instructions for use, many things should be paid attention to improve the control effect. To determine whether the fish disease is caused by water quality or bacteria, and determine the type of medication, the dosage of some drugs (such as copper sulfate) should also be based on the actual physical and chemical factors such as the fatness, pH value, and water temperature of the pool water. The situation increases or decreases, and even decide whether to use other drugs, and the residues of certain drugs (such as white powder, ferrous sulfate) should not be poured into the pond.
Because of the lack of breeding technology and practical experience. Many fish ponds only pay attention to the width and height of the embankment in the design, but ignore the matching of water intake and drainage, resulting in very passive breeding after the start of the breeding. When renovating, the inlet and drainage channels should be arranged in parallel and opposite directions. Note that the inlet channel is higher than the drainage channel, and pay attention that the main water inlet leads to the waters of the outer river with freshwater quality, and the general drainage outlet leads to the mouth of another river, and the two cannot be used together. Canals in the same water area to prevent fish disease after production. At the same time, it is necessary to do a good job in the safety of the inlet and outlet, and use the form of small gates or dam bridges. In the case of ensuring that the water intake and drainage functions are not affected, ensure that the fry will not be lost.
The depth of the pond water level should be controlled in different breeding stages, which is not only conducive to increasing the use area of the pond for fish. At the same time, ensure the oxygen content in the water. Too shallow pool water will affect productivity.
If you are in the fish pond planning stages, the most important question is not what is a fish pond, how to make a fish pond and how to fish in a pond, the most important part of keeping your pond and fish healthy is to use safe, non-toxic edible grade pond liners in your pond. Earthshield pond liners are one of the world’s leading manufacturers of pond liners. For over 20 years, large pond liners have been supplied for a variety of small or large ponds Large pond liners provide pond liners that can be used underwater for 50 years or more. Earthshield pond liners can make your pond healthier, your fish were healthier and your aquaculture better. If you need a more detailed pond liner meter quotation, you can email (email@example.com) to contact us for the quantity of pond liner you need, the price of pond liner, and a free pond liner sample.
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