If you want to raise fish in a new fish pond, you must first make preparations. First of all, the fish pond should be regulated to ensure that its bottom is flat, and the dam should be raised to increase its firmness, which can also provide good water retention capacity. There can be silt at the bottom of the fish pond, but the thickness should not exceed 20 centimeters, and at the same time ensure adequate water supply, easy drainage and irrigation, so that fish farming can be foolproof.
After the preparation work is done, it is necessary to clean and disinfect the fish pond. Generally, 10 days before putting fish fry, it is necessary to expose them to the sun for a period of time, and then inject a little water, not too much, and sprinkle quicklime or bleaching powder into the whole pond, which can play a bactericidal effect, but also eliminate some harmful organisms to fish. After that, the water should be drained and refilled after a few days.
Before putting in the fry, be sure to ensure the health of the fish. Therefore, it is necessary to disinfect the fish. You can soak the fish in potassium permanganate solution for 3-5 minutes. The concentration should not be too high, otherwise the fish will die. When the water temperature of the pond reaches above 5 C, the fry can be put in, according to the size of the pond and the weight of the fry, choose the appropriate breeding density, can not blindly raise more, must control the number.
