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Effects of stocking density on growth performance and welfare-related physiological parameters of Atlantic salmon Salmo salar L. in recirculating aquaculture system
Liu, Baoliang1,2; Liu, Ying2,3; Sun, Guoxiang2
2017-05-01
发表期刊AQUACULTURE RESEARCH
卷号48期号:5页码:2133-2144
文章类型Article
摘要Stocking density, representing a potential source of long-term stress, is widely recognized as a critical factor in aquaculture husbandry. Atlantic salmon were reared at low-density (LSD, similar to 9.80-18.41kgm(-3), initial to final density), medium-density (MSD, similar to 19.62-36.96kgm(-3)) and high-density (HSD, similar to 28.79-53.54kgm(-3)) stocking levels for 66days to investigate the stress-induced changes in fish growth and welfare. At the end of the trial, the salmon in HSD group showed significant lower final weight and higher ration level than those in MSD and LSD groups (P<0.05). The salmon farmed in LSD group had higher special growth rate (SGR) and lower feed conversion ratio (FCR) (P<0.05). However, stocking density could not affect the mortality, condition factor and coefficient of variation of salmon. The pectoral fin index of salmon in LSD group was significantly higher than that in HSD group (P<0.05). Fifteen haematological and serum parameters were detected to assess the stress and welfare levels of salmon. The salmon farmed in HSD group had higher glucose (GLU) level and lower Cl-, haemoglobin (HGB) and red blood cell (RBC) concentrations (P<0.05). Contrast to the pattern of superoxide dismutase (SOD) activity, the cortisol, maleic dialdehyde (MDA) and alkaline phosphatase (ALP) levels of HSD group were higher than those in other two groups (P<0.05). All these findings will provide a reference for selecting suitable stocking density in Atlantic salmon farming industry.
关键词Atlantic Salmon Growth Performance Physiological Parameters Stocking Density Welfare
DOI10.1111/are.13050
收录类别SCI
语种英语
WOS记录号WOS:000398859900016
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文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/136697
专题海洋生物技术研发中心
作者单位1.Chinese Acad Fishery Sci, Key Lab Sustainable Dev Marine Fisheries, Minist Agr, Yellow Sea Fisheries Res Inst, Qingdao, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
3.Dalian Ocean Univ, Dalian, Peoples R China
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Liu, Baoliang,Liu, Ying,Sun, Guoxiang. Effects of stocking density on growth performance and welfare-related physiological parameters of Atlantic salmon Salmo salar L. in recirculating aquaculture system[J]. AQUACULTURE RESEARCH,2017,48(5):2133-2144.
APA Liu, Baoliang,Liu, Ying,&Sun, Guoxiang.(2017).Effects of stocking density on growth performance and welfare-related physiological parameters of Atlantic salmon Salmo salar L. in recirculating aquaculture system.AQUACULTURE RESEARCH,48(5),2133-2144.
MLA Liu, Baoliang,et al."Effects of stocking density on growth performance and welfare-related physiological parameters of Atlantic salmon Salmo salar L. in recirculating aquaculture system".AQUACULTURE RESEARCH 48.5(2017):2133-2144.
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