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Bioremediation by the mullet Mugil cephalus feeding on organic deposits produced by intensive shrimp mariculture
Liu, Xujia1,2,3; He, Xugang1; Huang, Guoqiang3,4; Zhou, Yi5,6,7,8,9; Lai, Junxiang2
2021-08-30
发表期刊AQUACULTURE
ISSN0044-8486
卷号541页码:8
通讯作者He, Xugang(xgh@mail.hzau.edu.cn) ; Zhou, Yi(yizhou@qdio.ac.cn)
摘要Intensive pond shrimp aquaculture produces a large quantity of organic deposits due to uneaten food and fecal matter. In this study, a laboratory feeding trial was conducted to assess the potential of using bottom-feeding mullets (Mugil cephalus) to reduce the negative impacts of marine shrimp farming. First, ingestion and absorption by M. cephalus of organic deposits collected from the pond culture of white shrimp (Litopenaeus vannamei) were quantified for various sizes of mullets. Twenty-four 80 L flow-through aquariums were stocked with five mullets each for the feeding trial. Subsequently, a polyculture experiment with L. vannamei and M. cephalus was conducted with six different densities of medium sized (18.0 +/- 4.1 g ind-1) mullets cultured with shrimp (ML-0, ML-1, ML-2, ML-3, ML-4, and ML-5 corresponding to ratios of fish to shrimp of 0:300, 1:300, 2:300, 3:300, 4:300, and 5:300, respectively). The results showed that, in the feeding trial, the specific growth rate (SGR) of small and medium mullets was significantly higher than that of large mullets, and SGR was negatively correlated with mullet body weight. Medium mullets had the highest ingestion rate, whereas small mullets had the highest feces production rate. The organic matter and N assimilation efficiency values of medium mullets were highest (60.7% and 82.2%, respectively). The fish removed 0.62 g ind-1 d-1 of organic matter and 0.043 g ind-1 d-1 of organic N from the enriched sediment. In the polyculture experiment, the survival rate and yield of white shrimp in treatment ML-4 (96.4% +/- 0.8% and 5.2 +/- 0.2 kg, respectively) were higher than those in the other treatments, and the survival rate was significantly higher than those of the ML-0 and ML-2 groups (P < 0.05). During the polyculture experiment, mullet density significantly affected the water environment. Overall, the best survival rate and yield of shrimp were achieved at the density of 4:300. These results indicate that mullets as detritivores can effectively ingest and absorb organic deposits generated by white shrimp culture. Additionally, these findings show that polyculture of mullets at suitable size and density does not lead to decreased yield of white shrimp; instead it increases shrimp survival and food utilization efficiency and improves the water quality of the system. Thus, shrimp-mullet co-culture should be promoted to improve the health and sustainability of intensive shrimp aquaculture.
关键词Bioremediation Detritivores Mugil cephalus Litopenaeus vannamei Integrated multi-trophic aquaculture
DOI10.1016/j.aquaculture.2021.736674
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[31960225] ; Science and Technology Project of Beihai[201995045] ; Basic Research Fund of Guangxi Academy of Sciences[13YJ22HYS14] ; Science and Technology Major Project of Guangxi[AA17202020] ; National Key R&D Program of China
WOS研究方向Fisheries ; Marine & Freshwater Biology
WOS类目Fisheries ; Marine & Freshwater Biology
WOS记录号WOS:000657613800006
出版者ELSEVIER
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/176841
专题海洋生态与环境科学重点实验室
通讯作者He, Xugang; Zhou, Yi
作者单位1.Huazhong Agr Univ, Coll Fisheries, Wuhan 430070, Peoples R China
2.Guangxi Acad Sci, Guangxi Beibu Gulf Marine Res Ctr, Guangxi Key Lab Marine Environm Sci, Nanning 530007, Peoples R China
3.Guangxi Inst Oceanol, Beihai 536000, Peoples R China
4.Guangxi Univ Chinese Med, Inst Marine Drug, Nanning 530200, Peoples R China
5.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
6.Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China
7.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China
8.Chinese Acad Sci, Inst Oceanol, CAS Engn Lab Marine Ranching, Qingdao 266071, Peoples R China
9.Shandong Prov Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
第一作者单位中国科学院海洋研究所
通讯作者单位海洋生态与环境科学重点实验室;  中国科学院海洋研究所
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Liu, Xujia,He, Xugang,Huang, Guoqiang,et al. Bioremediation by the mullet Mugil cephalus feeding on organic deposits produced by intensive shrimp mariculture[J]. AQUACULTURE,2021,541:8.
APA Liu, Xujia,He, Xugang,Huang, Guoqiang,Zhou, Yi,&Lai, Junxiang.(2021).Bioremediation by the mullet Mugil cephalus feeding on organic deposits produced by intensive shrimp mariculture.AQUACULTURE,541,8.
MLA Liu, Xujia,et al."Bioremediation by the mullet Mugil cephalus feeding on organic deposits produced by intensive shrimp mariculture".AQUACULTURE 541(2021):8.
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