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学科主题: Fisheries; Marine & Freshwater Biology
题名: Effect of dietary conjugated linoleic acid (CLA) on growth performance, body composition and hepatic intermediary metabolism in juvenile yellow catfish Pelteobagrus fulvidraco
作者: Tan, Xiao-Ying1; Luo, Zhi1; Xie, Ping1, 2; Li, Xiao-Dong3; Liu, Xiang-Jiang1; Xi, Wen-Qiu3
通讯作者: Luo, Z, Huazhong Agr Univ, Fishery Coll, Wuhan 430070, Peoples R China ; luozhi99@yahoo.com.cn, xieping@ihb.ac.cn
关键词: Conjugated linoleic acid ; Pelteobagrus fulvidraco ; Growth performance ; Body composition ; Hepatic intermediary metabolism
刊名: AQUACULTURE
发表日期: 2010-12-22
DOI: 10.1016/j.aquaculture.2010.10.011
卷: 310, 期:1-2, 页:186-191
收录类别: SCI
文章类型: Article
部门归属: [Tan, Xiao-Ying; Luo, Zhi; Xie, Ping; Liu, Xiang-Jiang] Huazhong Agr Univ, Fishery Coll, Wuhan 430070, Peoples R China; [Xie, Ping] Chinese Acad Sci, Inst Hydrobiol, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Wuhan 470072, Peoples R China; [Li, Xiao-Dong; Xi, Wen-Qiu] Panjin Guanghe Fisheries Co Ltd, Postdoctoral Res Base, Panjin 124200, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: New Century Excellent Talents in University, Ministry of Education, China [NCET-08-0782]; Innovative Foundation of Huazhong Agricultural University [52204-06086]; New Teachers' Foundation of Minstry of Education, China [20070504058]
类目[WOS]: Fisheries ; Marine & Freshwater Biology
研究领域[WOS]: Fisheries ; Marine & Freshwater Biology
摘要: The present study was conducted to determine the effect of dietary conjugated linoleic acid (CLA) on growth performance, body composition and hepatic intermediary metabolism in juvenile yellow catfish Pelteobagrus fulvidraco (initial body weight: 1.87 +/- 0.04 g, mean +/- SD). The five isonitrogenous (35% crude protein) experimental diets were formulated to contain graded CLA levels of 0 (control), 0.5, 1, 1.5 and 2%, respectively. Three replicated groups of fish were fed to satiation, twice a day, over a period of 8 weeks with CIA oil, containing mainly the bioactive cis-9, trans-11 and trans-10, and cis-12 isomers. The increase of dietary CLA levels reduced growth performance, feed conversion rate (FCR), condition factor, hepatosomatic index and viscerosomatic index of yellow catfish. Increasing dietary CLA levels significantly reduced lipid contents in the whole body and liver. The dietary inclusion of CLA modified total percentages of the main groups of fatty acids. Increasing saturated fatty acid (SFA) content and reduced mono-unsaturated fatty acid (MUFA) contents in the whole body were observed with increasing dietary CLA inclusion. A gradual reduction of 16:1 and 18:1 fatty acids was depicted in the whole body with increasing CIA levels. Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) profiles showed no significant differences among the treatments. Total polyunsaturated fatty acids (PUFA) tended to increase with increasing dietary CIA levels. Dietary CIA supplementation resulted in a significant increase of the trans-10, cis-12 and cis-9, and trans-11 CIA isomers in the whole body, and also significantly influenced several hepatic enzymatic activities, such as succinate dehydrogenase (SDH), lactate dehydrogenase (LDH), malic dehydrogenase (MDH), lipoprotein lipase (LPL) and hepatic lipase (HL) activities. These indicate that despite promoting the CLA and PUFA deposition in the whole body, dietary CIA supplementation should be carefully evaluated in intensive yellow catfish farming as it reduces growth performance and feed utilization. (C) 2010 Elsevier By. All rights reserved.
英文摘要: The present study was conducted to determine the effect of dietary conjugated linoleic acid (CLA) on growth performance, body composition and hepatic intermediary metabolism in juvenile yellow catfish Pelteobagrus fulvidraco (initial body weight: 1.87 +/- 0.04 g, mean +/- SD). The five isonitrogenous (35% crude protein) experimental diets were formulated to contain graded CLA levels of 0 (control), 0.5, 1, 1.5 and 2%, respectively. Three replicated groups of fish were fed to satiation, twice a day, over a period of 8 weeks with CIA oil, containing mainly the bioactive cis-9, trans-11 and trans-10, and cis-12 isomers. The increase of dietary CLA levels reduced growth performance, feed conversion rate (FCR), condition factor, hepatosomatic index and viscerosomatic index of yellow catfish. Increasing dietary CLA levels significantly reduced lipid contents in the whole body and liver. The dietary inclusion of CLA modified total percentages of the main groups of fatty acids. Increasing saturated fatty acid (SFA) content and reduced mono-unsaturated fatty acid (MUFA) contents in the whole body were observed with increasing dietary CLA inclusion. A gradual reduction of 16:1 and 18:1 fatty acids was depicted in the whole body with increasing CIA levels. Eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) profiles showed no significant differences among the treatments. Total polyunsaturated fatty acids (PUFA) tended to increase with increasing dietary CIA levels. Dietary CIA supplementation resulted in a significant increase of the trans-10, cis-12 and cis-9, and trans-11 CIA isomers in the whole body, and also significantly influenced several hepatic enzymatic activities, such as succinate dehydrogenase (SDH), lactate dehydrogenase (LDH), malic dehydrogenase (MDH), lipoprotein lipase (LPL) and hepatic lipase (HL) activities. These indicate that despite promoting the CLA and PUFA deposition in the whole body, dietary CIA supplementation should be carefully evaluated in intensive yellow catfish farming as it reduces growth performance and feed utilization. (C) 2010 Elsevier By. All rights reserved.
关键词[WOS]: TROUT ONCORHYNCHUS-MYKISS ; TILAPIA OREOCHROMIS-NILOTICUS ; SALMON SALMO-SALAR ; LIPID-COMPOSITION ; FATTY-ACID ; CHANNEL CATFISH ; LIPOPROTEIN METABOLISM ; DICENTRARCHUS-LABRAX ; ICTALURUS-PUNCTATUS ; GENE-EXPRESSION
语种: 英语
WOS记录号: WOS:000286161200027
ISSN号: 0044-8486
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/15478
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Huazhong Agr Univ, Fishery Coll, Wuhan 430070, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Wuhan 470072, Peoples R China
3.Panjin Guanghe Fisheries Co Ltd, Postdoctoral Res Base, Panjin 124200, Peoples R China

Recommended Citation:
Tan, Xiao-Ying; Luo, Zhi; Xie, Ping; Li, Xiao-Dong; Liu, Xiang-Jiang; Xi, Wen-Qiu.Effect of dietary conjugated linoleic acid (CLA) on growth performance, body composition and hepatic intermediary metabolism in juvenile yellow catfish Pelteobagrus fulvidraco,AQUACULTURE,2010,310(1-2):186-191
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