Compound culture method of shrimps and algae

Abstract

The invention provides a shrimp and algae compound culture method which comprises the following steps: selection of a culture pond, treatment before culture, algae planting, prawn stocking and algae salvaging and multiple cropping. According to the shrimp and alga compound culture method, watermifoil and waterweed or potamogeton crispus, Potamogeton maackianus and other algae with complementary functions are planted in stages and layers, growth of prawns is facilitated, growth of the algae is easy to control, the advantage of mutual benefit and symbiosis of the prawns and the algae is promoted, and economic benefits are high.

Description

technical field [0001] The invention relates to the field of water body culture, in particular to a compound culture method of shrimp and algae. Background technique [0002] Algae is a biological resource with important economic value and has great application and development potential. Chlorella is rich in protein, unsaturated fatty acids, carotenoids, lutein, astaxanthin and multivitamins, and has extremely high nutritional value and the function of improving immunity. Microalgae is the primary producer in the culture pond and occupies an important position in the shrimp culture pond. It increases the dissolved oxygen content in the culture water through photosynthesis, and can absorb ammonia nitrogen and nitrite nitrogen in the water. It is indispensable for the normal function of the pond ecosystem to stabilize the breeding pond environment, and it can also be used as a natural bait for shrimp seedlings. [0003] At present, the rapid development of the shrimp farming...

AI Technical Summary

Problems solved by technology

[0003] At present, the rapid development of the shrimp farming industry, the improvement of the intensive and semi-intensive degree of the shrimp farming ponds, and the limitations of the manager's technology have caused the eutrophication of the farming water, the imbalance of the farming ecological environment, the frequent occurrence of shrimp diseases and the quality of the products. However, the control of algae in shrimp breeding ponds or the artificial directional cultivation of planktonic algae are mostly carried out for a single or two types of high-quality microalgae. In a complex breeding environment, it is easy to cause excessive reproduction of individual algae species at a certain stage. The diversity index of the algae community in the water environment is relatively low, which is not conducive to the stability of the algae community in the water environment, resulting in the difficult cultivation of the algae in the early stage of the breeding process, the easy mutation in the middle stage, and the excessive prosperity in the later stage.

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