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| The effect of salinity on the growth, energy budget and physiological performance of green, white and purple color morphs of sea cucumber, Apostichopus japonicus | |
Bai, Yucen1,2 ; Zhang, Libin1; Liu, Shilin1; Ru, Xiaoshang3; Xing, Lili1,2; Cao, Xuebin4; Zhang, Tao1; Yang, Hongsheng1
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| 2015-02-01 | |
| 发表期刊 | AQUACULTURE
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| 卷号 | 437页码:297-303 |
| 文章类型 | Article |
| 摘要 | The sea cucumber Apostichopus japonicus (Selenka) tolerates salinity fluctuations when inhabiting the intertidal zone and culture ponds. In this study, green, white and purple morphs of juvenile A. japonicus (1.0 +/- 0.1 g) were cultured at salinities of 22, 26, 30, 34 and 38 for 60 days. The influence of salinity on the growth, energy allocation and physiological performance of A. japonicus was determined. The results indicated that the three color morphs tested could survive within the salinity range of 22- 38. Salinity had a significant effect on the growth, energy allocation and physiological performance of sea cucumbers (P < 0.05). Specific growth rates, ingestion rates and feed conversion efficiencies of A. japonicuswere generally optimal at a salinity of 30. Similar resultswere obtained for energy ingested, and the proportion of energy allocated to growth. Significant changes in enzyme activities of sea cucumbers mainly occurred at salinities of 22 and 38, indicating that metabolism was affected by low and high salinities. Green A. japonicus grew faster than the white and purple color morphs at a salinity of 22. Growth rateswere the highest in purple, then green and the lowest inwhite colormorphs at salinities of 30, 34 and 38. At a salinity of 22, the green allocated more energy to growth and respiration. The purple morph allocated more energy to growth and respiration whenwater salinity reached 34 and 38. At salinities of 30, 34 and 38, the purple morph had higher trypsin and superoxide dismutase activities, which supported the higher specific growth rate and food conversion rates comparedwith the green andwhite colormorphs. The results clearly showed that the green color morph performed better at low salinities, while the purple was better adapted to high salinities within the tolerance range. (C) 2014 Elsevier B.V. All rights reserved. |
| 关键词 | Apostichopus Japonicus Salinity Color Morphs Energy Budget Physiology |
| DOI | 10.1016/j.aquaculture.2014.12.020 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000348740100039 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/25369 |
| 专题 | 海洋生态与环境科学重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Shandong, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Ocean Univ China, Qingdao 266100, Shandong, Peoples R China 4.Shandong Oriental Ocean Sci Tech Co Ltd, Yantai 264680, Shandong, Peoples R China |
| 第一作者单位 | 中国科学院海洋研究所 |
| 推荐引用方式 GB/T 7714 | Bai, Yucen,Zhang, Libin,Liu, Shilin,et al. The effect of salinity on the growth, energy budget and physiological performance of green, white and purple color morphs of sea cucumber, Apostichopus japonicus[J]. AQUACULTURE,2015,437:297-303. |
| APA | Bai, Yucen.,Zhang, Libin.,Liu, Shilin.,Ru, Xiaoshang.,Xing, Lili.,...&Yang, Hongsheng.(2015).The effect of salinity on the growth, energy budget and physiological performance of green, white and purple color morphs of sea cucumber, Apostichopus japonicus.AQUACULTURE,437,297-303. |
| MLA | Bai, Yucen,et al."The effect of salinity on the growth, energy budget and physiological performance of green, white and purple color morphs of sea cucumber, Apostichopus japonicus".AQUACULTURE 437(2015):297-303. |
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