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Second, timely fishing can generally choose the relatively cool weather in the early morning when the fish activities are normal fishing, should not be in the hot weather, the fish floating head and other abnormal conditions, so as not to cause unnecessary economic losses. ?
Third, the standard operation to select the appropriate mesh size of the net, so that the slow network, fast network, and try to reduce the number of pull network, should not engage in network operations. Each round of catching operations should be suspended for a period of time and then harvested after 5 to 7 consecutive days. After the fishing nets are gathered, fish that do not meet the standards should be returned to the pool as soon as possible so that the fish will not be injured due to excessive concentration, which will affect future growth. ?
Fourth, after catching and irrigating, the amount of nitrogen consumed by the fish after intense activities increases, and the decomposition of organic matter in the fish pond accelerates, which also increases the oxygen consumption. Therefore, timely response should be made to the pond where the fish was caught.
5. Drugs after catching Because of the rapid growth of fish during the high temperature season, the fish scales are relatively loose, and they are easily damaged by the mesh during fishing. As a result, pathogens may be induced to cause fish diseases. Therefore, bleaching powder must be frequently applied to the pond.
Summer fishing note
First, prepare for pre-catch 1 day before fishing, appropriately reduce the amount of feeding, and timely remove obstacles such as tree rakes (pile) and grass surface debris in the pond and grass surface pollution, in order to smoothly pull the net. ?
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