Several Management Links in Aquaculture of Ponds
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First, increase the amount of water in the hot season and increase the water level appropriately to reduce the water temperature. Second, the gentry has a mobile habit, and it is often blown up by winds and waves when it is in high winds. Sparse stocking should be conducted in time to check the blocking facilities, and repair the broken loopholes in time. Third, remove the algae and harmful substances. Fourth, disease prevention and control. During the farming period, there is often a large number of deaths. Most of them appeared in the high-temperature period from July to August. The causes of death are various: If the mantis reproduces, the plumpness falls sharply and the resistance is poor; or due to continuous rainy weather, excessive fresh water, coating pollution, sediment Contains large amounts of sulfides, etc. Therefore, it is necessary to take rounds of catching, so that the ponds will recuperate and rejuvenate themselves; or they will plow and plough the old trees, thoroughly sterilize them, and decompose the sulphides contained in the coatings; or use microbiological products to improve the quality of water and sediments. If the file is sick, the coated surface on the side, the muscles of the closed shell relax, and the axe is unable to reach out. This type of clam is about to die and it should be picked up as soon as possible.