[Objective] This study aimed to explore the synergistic effect of oligochitosan and EM bacteria and provide a theoretical basis for its application in animal health, aquaculture, sewage treatment and other fields. [ Method] Different concentrations of oligochitosan were added into EM bacteria liquid and the stability was preliminarily studied. [ Result] Addition of oligochitosan with appropriate proportion had played a supporting role in the stable storage of EM bacteria liquid and had shown certain inhibition effect on flatulence of EM bacteria liquid. Addition of oligochitosan had no significant effect on the quality and re-fermentation of EM bacteria. [ Conclusion] The study indicated that oligochitosan could be utilized in conjunction with EM bacteria liquid, which have practical potential application.%[目的]探讨低聚壳聚糖与EM菌的协同效应,为将该类产品应用于动物保健、水产养殖、污水处理等领域提供理论依据.[方法]将不同浓度的低聚壳聚糖添加到EM菌液中,并对该EM菌液的稳定性进行初步研究.[结果]在EM菌液中添加比例适宜的低聚壳聚糖,对EM菌液的稳定保存有一定辅助作用,并且对EM菌液胀气有一定的抑制作用.低聚壳聚糖的加入对EM菌的品质及再发酵效果无明显影响.[结论]该研究表明低聚壳聚糖可与EM菌液复配使用,具有实际应用价值.
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