复合益生菌对草鱼养殖水质和微生物群落的影响

Q4 Environmental Science

水产学报 Pub Date : 2013-01-01 DOI:10.3724/SP.J.1231.2013.38105

Jiaia Zheng, Lisha Peng, Xiao-ping Zhang, Jiandong Sun, L. Fu, Yibing Wang, Caiye Hu, Li Weifen

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引用次数: 1

摘要

本试验旨在研究复合益生菌对草鱼养殖水质和微生物群落结构的影响。水质测定结果显示，与对照组相比，处理组氨氮、亚硝酸盐氮和总氮浓度在整个试验过程中均较低;第18 d，处理组硝态氮浓度较对照组降低54.49%(P0.05)。第15 d，处理组总无机氮浓度下降28.75%(P0.05)。两组间正磷酸盐和总磷含量无显著差异。454-焦磷酸测序结果显示，对照组和处理组的细菌群落组成差异很大，处理组的微生物多样性高于对照组。厚壁菌门和变形菌门分别减少了91.21%(P0.01)和21.75%(P0.01)。拟杆菌门、放线菌门和蓝藻门分别增加了288%(P0.01)、435%(P0.01)和848%(P0.01)。Proteobacteria中，Alphaproteobacteria和Betaproteobacteria分别提高了318%(P0.01)和18%，而Gammaproteobacteria降低了78.82%(P0.01)。

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Effects of complex probiotics on water quality and microbial communities in grass carp(Ctenopharyngodon idellus)culture

This experiment was conducted to study the effects of complex probiotics on water quality and microbial community structure in grass carp culture.The results of water quality determination showed that compared with the control group,the concentration of ammonia nitrogen,nitrite nitrogen and total nitrogen in treatment group was lower in the whole experiment,respectively;On 18th d,the concentration of nitrate nitrogen in treatment group was decreased by 54.49%(P0.05).On 15th d,the concentration of total inorganic nitrogen in treatment group was decreased by 28.75%(P0.05).Orthophosphate and total phosphorus had no difference between the two groups.The 454-Pyrosequencing results showed that the composition of bacterial communities was highly variable between control and treatment groups,and microbial diversity of treatment was higher than that of control.Firmicutes and Proteobacteria decreased by 91.21%(P0.01)and 21.75%(P0.01)respectively.Bacteroidetes,Actinobacteria and Cyanobacteria increased by 288%(P0.01),435%(P0.01)and 848%(P0.01)respectively.Among Proteobacteria,Alphaproteobacteria and Betaproteobacteria was elevated by 318%(P0.01)and 18% respectively,while Gammaproteobacteria was reduced by 78.82%(P0.01).

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来源期刊

水产学报 Environmental Science-Management, Monitoring, Policy and Law

CiteScore

1.40

自引率

0.00%

发文量

5213

期刊介绍： "Fisheries of" mainly reflects the results of scientific research and development of the direction of aquaculture for domestic and foreign academic exchanges Fisheries Service. Mainly basic research published in Fisheries, aquaculture and proliferation of fishing waters environmental protection, preservation of aquatic products processing and utilization, fishing equipment, and other aspects of mechanical papers, research briefings and reviewed.