After 20 days of shrimp culture, the oxygen supply can be turned off and the following changes will occur: 1. Disabling the oxygenator will have a great impact on shrimps. The air pressure at night is very low, much lower. At this time, the shrimps will be on the water surface, and there will be large-scale death of shrimps. 2. The oxygen provided by the aerator is cheap, but the cost of buying shrimp is high, which increases the cost of shrimp farming. |
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