1. In the rain before the rain, a rain or shower, the pond a half-hour ahead of the aerator. Increase the amount of dissolved oxygen in the water. And to promote the rapid mixing of pond water, to avoid the phenomenon of strong convection in the water body: Quanchiposa spill the spirit of stress, 667 square meters of water depth of 1 meter water 200-500 grams of medication. Improve the anti-stress ability of fish and shrimp. The immune polysaccharides were added to the feed, and 200 g of immune polysaccharide was added to each 50 kg feed for 5-7 days. 2 If the aerator of the pond is not equipped enough, the farmers should reserve oxygen oxygen, oxygen booster, pellet oxygen, bottom reforming agent and other chemical oxygenation agents and bottom reforming agent for a long time. The reserve amount is 2-3 times of emergency consumption in Tangkou.
2. After the rain, dry oxygenates in time. If there is a large amount of farmland water and domestic sewage flowing in, 500-1000 grams of water quality improver should be applied: If surface water enters the pool, it will bring in a large amount of sediment. Causes the water in the pool to be turbid. Should Quanquan 500 grams of water by 667 square meters splash water Bao: If a large amount of rainfall in a short time, rain and after the rain should be spilled in a timely manner stress spirit, 667 square meters of water 1 meter deep water spatter 200-500 grams, improve fish immunity force.
3. Pay attention to listening to weather forecast and observing weather changes during farming. Should generally be controlled before the rain, food, and suspend the operation of the pond fertilizer.
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