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Feeding preference of Apostichopus japonicus:comparing carbon stable isotope analysis and carbon budget approach
Song, Xiaoyue1,2; Lin, Chenggang1; Zhou, Yi1; Wang, Xianfeng; Gu, Ruiting1,2; Xu, Shaochun1,2; Xu, Qiang3; Chen, Kang; Yang, Hongsheng1
2018
Source PublicationAQUACULTURE ENVIRONMENT INTERACTIONS
ISSN1869-215X
Volume10Pages:243-253
SubtypeArticle
AbstractResearch into the feeding preferences of the sea cucumber Apostichopus japonicus is essential for its aquaculture. We adopted both carbon budget and stable isotope analysis approaches to determine the feeding preference of this species. Powdered Chaetomorpha linum, Zostera marina detritus, and muddy sediment mixed at 5 dry weight ratios (40:0:60, 30:10:60, 20:20:60, 10:30:60, and 0:40:60; diets 1, 2, 3, 4, and 5, respectively) were fed to juvenile sea cucumbers (mean body weight: 10.45 g) for 2 mo. Carbon budget analysis revealed that, based on carbon specific growth rate (% d(-1)) and food carbon conversion efficiency (%), the experimental treatments could be divided into 2 groups, diets 1-3 and diets 4-5. Carbon contributions of the 3 ingredients based on the stable isotope analysis suggested that C. linum and Z. marina were the main carbon sources for A. japonicus in the 5 treatments, and C. linum was a better food source than Z. marina. In addition, a new potential index, i.e. the ratio of carbon contribution to composition (R-C_con:C_com), was constructed to assess the feeding preferences of A. japonicus; according to this ratio, the preferences for the 3 diet ingredients were: muddy sediment > C. linum > Z. marina in the 5 treatments. Compared to the carbon budget method, carbon isotope analysis could distinguish the feeding preferences of A. japonicus for the diet ingredients in each treatment and had the advantage of being less labor intensive; thus it was considered to be a better approach for measuring the feeding preference of A. japonicus.
KeywordSea cucumber Chaetomorpha linum Zostera marina New index Ratio of carbon contribution to composition
Subject AreaFisheries ; Marine & Freshwater Biology
DOI10.3354/aei00266
Indexed BySCIE
Language英语
WOS Research AreaFisheries ; Marine & Freshwater Biology
WOS IDWOS:000436334900001
PublisherINTER-RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/157610
Collection海洋生态与环境科学重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Hainan Univ, State Key Lab Marine Resource Utilizat South Chin, 58th Renmin Rd, Haikou 570228, Hainan, Peoples R China
First Author AffilicationKey Laboratory of Marine Ecology & Environmental Sciences, CAS
Recommended Citation
GB/T 7714
Song, Xiaoyue,Lin, Chenggang,Zhou, Yi,等. Feeding preference of Apostichopus japonicus:comparing carbon stable isotope analysis and carbon budget approach[J]. AQUACULTURE ENVIRONMENT INTERACTIONS,2018,10:243-253.
APA Song, Xiaoyue.,Lin, Chenggang.,Zhou, Yi.,Wang, Xianfeng.,Gu, Ruiting.,...&Yang, Hongsheng.(2018).Feeding preference of Apostichopus japonicus:comparing carbon stable isotope analysis and carbon budget approach.AQUACULTURE ENVIRONMENT INTERACTIONS,10,243-253.
MLA Song, Xiaoyue,et al."Feeding preference of Apostichopus japonicus:comparing carbon stable isotope analysis and carbon budget approach".AQUACULTURE ENVIRONMENT INTERACTIONS 10(2018):243-253.
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