How to deal with the increase of sub salt in the late stage of breeding?
2023-09-25
Qingdao Zhongren Animal Medicine Co., Ltd
Zhongren Aquatic Products
Case situation
Time: September 7, 2023
Location: Qiantang District, Hangzhou, Zhejiang
Area: 4 mu, water depth 2 meters
Variety: Macrobrachium
actual situation
Through testing, it was found that the sub-salt exceeded the standard, and the diluted sub-salt reached 3.0.
Solution
Super strong bottom net a pack of 2 mu does not record the water depth, add granular oxygen 500g per mu, dry for 3 days
Use effect
Case analysis
The main reason for the increase of sub-salt in this farmer is the deterioration of the bottom material caused by blind feeding in the later period, coupled with the weather and the lack of oxygen at the bottom, which leads to the increase of sub-salt.In the breeding process, if the salt content exceeds 0.2mg/L, it will exceed the standard, and even exceed 1.0mg/L in serious cases. Although it will not have much impact on shrimp in the short term, if it is exposed to such an ultra-high salt environment for a long time, the oxygen carrying capacity of hemocyanin transporting oxygen in shrimp blood will be reduced, resulting in tissue hypoxia, reduced feeding and disease resistance, abnormal molting occurs during molting due to subsalt poisoning.
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Qingdao Zhongren Animal Medicine Co., Ltd
Zhongren Aquatic Products