Why does aquaculture water experience hypoxia?
2022-08-23
First, the negative impact of global warming and rapid economic and social development has worsened the water environment. The pollution of rivers, lakes and rivers, acid rain worldwide, the effectiveness of aquaculture technology, and the abuse of chemical fertilizers, drugs, and antibiotics have also caused serious damage to the microbial environment. The destruction exacerbated the oxygen starvation in the environment.
Second, the majority of farmers have insufficient understanding of the impact of water hypoxia on the breeding environment and animals. They are limited to addressing floating head and pan pool levels for farmed animals. They are far from realizing that lack of oxygen in water bodies can lead to severe environmental degradation and ecological degradation. This imbalance can affect the healthy growth and product quality of farmed animals, especially the farming of blue shrimp and river crabs. I mistakenly think that as long as the water plants are well planted, crabs and shrimps can be raised.
What is unknown is that aquatic plants, like all living things, can breathe and stop photosynthesis at night. Therefore, shrimp and crab breeding ponds are often in an oxygen-deficient state at night. At the same time, the principles, methods and advantages and disadvantages of various aeration are not well understood. In the process of use, there are often consequences that are halfway or even counterproductive.
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