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2、复合微生物制剂:是一类多菌种的微生物制剂。在光合细菌研究的基础上,随着研究的不断深入,又开发出许多优于光合细菌的产品应用于水产养殖业。(1)益生素:是一种全面改善水质的微生物制剂,其主要成分有芽孢杆菌、枯草杆菌、硫化细菌、硝化细菌、反硝化细菌等多种微生物。它能分解水中的有机物,降解氨态氮、亚硝酸盐、硫化氢等,改善池底的厌氧环境,抑制水体中藻类过量繁殖,保持养殖水体微生态平衡。益生素中的硝化细菌能将水体中的亚硝酸盐转化为硝酸盐;反硝化细
2, composite microbial preparation: a multi-species microbial preparation. Based on the research of photosynthetic bacteria, as the research progresses, a number of products superior to photosynthetic bacteria have been developed and applied to aquaculture. (1) Prebiotics: It is a kind of microorganism preparation that improves water quality comprehensively. Its main components are Bacillus, Bacillus subtilis, sulfide bacteria, nitrifying bacteria, denitrifying bacteria and other microorganisms. It can decompose organic matter in water, degrade ammonia nitrogen, nitrite, hydrogen sulfide, etc. to improve the bottom of the anaerobic environment, inhibit the excessive growth of algae in water to maintain the ecological balance of aquaculture water. Nitrobacteria in probiotics convert nitrite in water into nitrate; denitrification