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Effects of feeding rate and frequency on growth performance, digestion and nutrients balances of Atlantic salmon (Salmo salar) in recirculating aquaculture systems (RAS)
Sun, Guoxiang1,2; Liu, Ying1; Qiu, Denggao1,2; Yi, Mengmeng1,2; Li, Xian1; Li, Yong1
2016
Source PublicationAQUACULTURE RESEARCH
Volume47Issue:1Pages:176-188
SubtypeArticle
AbstractA 10-week study was conducted to investigate the effects of feeding rate and frequency on growth performance, digestion and nutrients balances of Atlantic salmon (Salmo salar) in replicated recirculating aquaculture systems (RAS). Replicated groups of juvenile salmon weighing 90 +/- 2.5 g (mean +/- SD) were fed a commercial feed (21.63 MJ kg(-1) gross energy) to designed feeding rate (1.4%, 1.6% and 1.8% body weight day(-1), BW day(-1)) and feeding frequency (2 and 4 meals day(-1)) combinations. Specific growth ratio varied between 1.15 +/- 0.02 and 1.37 +/- 0.16% day(-1), and feed conversion ratio ranged from 0.96 +/- 0.03 to 1.16 +/- 0.02. The nitrogen and phosphorus retention rates were from 36.50 +/- 1.94 to 47.08 +/- 5.23% and from 20.42 +/- 1.05 to 38.59 +/- 2.80%. Apparent digestibility coefficients (ADC) in dry matter, protein, lipid and energy showed no significant differences for all groups. However, fish fed at 1.6% BW day(-1) and 4 meal day(-1) groups had relatively better growth and nutrient retention efficiency compared to other groups. In addition, concentrations of nitrogenous and phosphorous compounds were also detected in this study. These results suggested that salmon of 100-200 g in RAS could in practice be fed at 1.6% BW day(-1) and 4 meals day(-1), taking environmental impacts into account.
KeywordRecirculating Aquaculture Systems Salmo Salar Feeding Rate Feeding Frequency Digestion Nutrients Balances
DOI10.1111/are.12480
Indexed BySCI
Language英语
WOS IDWOS:000367724800015
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/95207
Collection海洋环境工程技术研究发展中心
海洋生物技术研发中心
Affiliation1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Sun, Guoxiang,Liu, Ying,Qiu, Denggao,et al. Effects of feeding rate and frequency on growth performance, digestion and nutrients balances of Atlantic salmon (Salmo salar) in recirculating aquaculture systems (RAS)[J]. AQUACULTURE RESEARCH,2016,47(1):176-188.
APA Sun, Guoxiang,Liu, Ying,Qiu, Denggao,Yi, Mengmeng,Li, Xian,&Li, Yong.(2016).Effects of feeding rate and frequency on growth performance, digestion and nutrients balances of Atlantic salmon (Salmo salar) in recirculating aquaculture systems (RAS).AQUACULTURE RESEARCH,47(1),176-188.
MLA Sun, Guoxiang,et al."Effects of feeding rate and frequency on growth performance, digestion and nutrients balances of Atlantic salmon (Salmo salar) in recirculating aquaculture systems (RAS)".AQUACULTURE RESEARCH 47.1(2016):176-188.
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