[1]董媛媛,范立民,胡庚东,等.生物絮团的饵料替代能力及水体环境微生物群落多样性分析[J].江苏农业学报,2019,(04):880-886.[doi:doi:10.3969/j.issn.1000-4440.2019.04.019]
　DONG Yuan yuan,FAN Li min,HU Geng dong,et al.The substitute ability of bioflocs and the analysis of microbial community diversity in the ponds environment[J].,2019,(04):880-886.[doi:doi:10.3969/j.issn.1000-4440.2019.04.019]
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生物絮团的饵料替代能力及水体环境微生物群落多样性分析()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2019年04期
页码:
880-886
栏目:
畜牧兽医·水产养殖
出版日期:
2019-08-31

文章信息/Info

Title:
The substitute ability of bioflocs and the analysis of microbial community diversity in the ponds environment
作者:
董媛媛1; 范立民2; 胡庚东 2; 李丹丹2; 齐延凯1; 陈家长1; 2
（1.南京农业大学无锡渔业学院，江苏无锡214081；2.中国水产科学研究院淡水渔业研究中心/农业农村部长江下游渔业生态环境监测中心/农业农村部淡水鱼类遗传育种和养殖生物学重点开放实验室，江苏无锡214081）
Author(s):
DONG Yuanyuan1; FAN Limin2; HU Gengdong2; LI Dandan2; QI Yankai1; CHEN Jiazhang1; 2
(1.Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; 2.Freshwater Fisheries Research Centre, Chinese Academy of Fishery Sciences/Fishery EcoEnvironment Monitoring Center of Lower Reaches of Yangtze River Key Open Laboratory for Genetic Breeding and Aquaculture Biology, Ministry of Agriculture and Rural Affairs, Wuxi 214081, China)
关键词:
生物絮团; 饵料替代; 微生物群落
Keywords:
bioflocs; bait substitute; microbial community
分类号:
S96321+1
DOI:
doi:10.3969/j.issn.1000-4440.2019.04.019
文献标志码:
A
摘要:
为探究生物絮团的饵料替代能力及不同饵料替代率下水体微生物群落功能多样性差异，采用葡萄糖作为外加碳源进行饵料替代，分别设置对照、10%饵料替代处理和20%饵料替代处理，研究生物絮团替代饵料对罗非鱼生长的影响，并利用BiologECO微平板分析法探究不同饵料替代梯度(0、10%、20%)下的罗非鱼养殖水体微生物功能多样性的变化。结果表明：添加碳源(葡萄糖)调节碳氮比，利用葡萄糖作为外加碳源可代替20%的饵料，既能够优化水质状况，降低饵料系数，又不会对罗非鱼的生长造成显著影响；随着饵料替代梯度的增加，水体中微生物群落对不同碳源的代谢情况有所差异，不同处理间对糖类碳源的利用强度具有显著差异，影响水体微生物群落功能多样性。
Abstract:
To explore the substitute ability of microbial bioflocs and the functional diversity of the microbial community, the glucose was used as the additional carbon source for substitution. The experimental group was set up with three gradients: the control, the 10% bait substitution and the 20% bait substitution. Effects of bioflocs instead of bait on the growth of tilapia were studied, and BiologECO microplate analysis was used to investigate the microbial functional diversity of tilapia culture water under different bait substitution gradients (0, 10%, 20%). The results showed that adding carbon source (glucose) to adjust the carbonnitrogen ratio, and using glucose as an external carbon source didnt replace 20% of the bait, which could optimize the water quality, improve the feed conversion ratio, and didnt have a significant impact on the growth of tilapia. With the increase of the substitution gradient of the bait, the microbial community had different metabolism to different carbon sources. The utilization intensity of the carbohydrate carbon source in different treatments had significant difference, and the function diversity of the microbial community was different.

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备注/Memo

备注/Memo:
收稿日期：2019-03-01 基金项目：现代农业产业技术体系专项资金项目（CARS-46） 作者简介：董媛媛（1992-），女，山东德州人，硕士研究生，主要研究方向为渔业资源环境保护与监测。（E-mail）2437836556@qq.com 通讯作者：陈家长，（E-mail）ffrcchen@hotmail.cn
更新日期/Last Update: 2019-08-31