Persistent rainy weather

Persistent rainy weather

Change the end of the water transfer and oxygen increase (1) Ponds with aeration machinery, appropriately extend the boot time. Try to shorten the floating time of fish and shrimp and reduce the degree of floating head. (2) Ponds without aeration equipment should be equipped with sufficient amounts of rapid oxygen extracts, decomposing bottom reforms and other drugs to reduce the degree of deterioration of the bottom of fish and shrimp ponds and increase the amount of dissolved oxygen in the pool. (3) Change the pool water, increase the transparency of the pool water appropriately, change the amount of water within 10 cm, and occasionally apply detoxification stress, vitamin C, detoxification, and stress to prevent fish and shrimp from suffering stressful death. (4) After a heavy rainstorm, the water quality of the pool water becomes lighter, and fine weather can be used to flood the algae with algae, control the pool water, and adjust the pH value of the pool water.

Disease prevention, damage prevention and rainy weather, due to the poor effect of drug prevention and control of fish and shrimp disease, so once the weather is clear, fast-acting extermination and bacterial poison nemesis should be applied immediately to prevent fish and shrimp pests and diseases. One meter of water depth per acre, respectively, with the quick-effect extermination 50 grams, 200 grams of bacteria poison nemesis mixed Quanchiposa, to ensure that the weather turned clear after the rapid recovery of fish feed, promote growth.

Careful management of recent air humidity, farmers should do a good job of moisture-proof feed to prevent moldy feed. Strengthen the Tangkou inspection: Check the drainage facilities, the status of the pool, the difference between the water level inside and outside the pool, and according to the situation of the pond timely injection and drainage to prevent fish escape accidents. Check the clean conditions in Tangtang and remove the remaining fodder in time. Reduce the amount of feed, control the application of organic fertilizer, and prohibit pesticides from flowing into fish and shrimp ponds. When necessary, the whole pool can be splashed with detoxifying water to ensure the safety of fish and shrimp.

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