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题名: Nutriphysiological and cytological responses of juvenile channel catfish (Ictalurus punctatus) to dietary oxidized fish oil
作者: Dong, G. F.1, 2; Huang, F.1; Zhu, X. M.2; Zhang, L.3; Mei, M. X.1; Hu, Q. W.1; Liu, H. Y.1
通讯作者: Huang, F (reprint author), Wuhan Polytech Univ, Hubei Key Lab Anim Nutr & Feed Sci, 68 Xuefu Sourthen Rd, Wuhan 430023, Hubei, Peoples R China.
关键词: cytological response ; Ictalurus punctatus ; lipid droplets ; nutriphysiological response ; oxidized fish oil
刊名: AQUACULTURE NUTRITION
发表日期: 2012-12-01
DOI: 10.1111/j.1365-2095.2011.00931.x
卷: 18, 期:6, 页:673-684
收录类别: SCI
文章类型: Article
部门归属: [Dong, G. F.; Huang, F.; Mei, M. X.; Hu, Q. W.; Liu, H. Y.] Wuhan Polytech Univ, Hubei Key Lab Anim Nutr & Feed Sci, Wuhan 430023, Hubei, Peoples R China; [Dong, G. F.; Zhu, X. M.] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Peoples R China; [Zhang, L.] Chinese Acad Fisheries Sci, Yangtze River Fisheries Res Inst, Wuhan, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: Open Fund Project in State Key Laboratory of Freshwater Ecology and Biotechnology [2010FB10]; Open Fund Project in Hubei Key Laboratory of Animal Nutrition and Feed Science in Wuhan Polytechnic University [2009A004]; Doctor Startup Fund Program in Wuhan Polytechnic University
类目[WOS]: Fisheries
研究领域[WOS]: Fisheries
摘要: An 86-day growth trial was conducted to investigate the effect of dietary oxidized fish oil on the growth and cytopathology of juvenile channel catfish (Ictalurus punctatus). Four diets containing 0 g kg(-1) (control: fresh fish oil), 30 g kg(-1) (low-oxidized oil group), 60 g kg(-1) (medium-oxidized oil group) and 90 g kg(-1) (high-oxidized oil group) graded oxidized oil levels with the same dietary lipid level (90 g kg(-1) diet) were evaluated. The results show that the specific growth rate decreased with increasing dietary oxidized oil level (P < 0.05). All examined liver and kidney tissues in all dose groups exhibited what appeared as dose-dependent cellular modifications. In addition, lipid droplet accumulation in the hepatocytes of fish in all dose groups was increased, and their localizations were distinctly different between all dose groups. The ultrastructural changes suggest the progression of mitochondrial vacuolation, especially in the renal tubules, in all dose groups. These results reveal a previously underappreciated effect of dietary oxidized fish oil on channel catfish kidneys. Overall, a series of nutriphysiological responses were adversely affected by exposure to dietary oxidized fish oil, and the corresponding interference patterns on the metabolism and transport of nutrients within cells were observed.
英文摘要: An 86-day growth trial was conducted to investigate the effect of dietary oxidized fish oil on the growth and cytopathology of juvenile channel catfish (Ictalurus punctatus). Four diets containing 0 g kg(-1) (control: fresh fish oil), 30 g kg(-1) (low-oxidized oil group), 60 g kg(-1) (medium-oxidized oil group) and 90 g kg(-1) (high-oxidized oil group) graded oxidized oil levels with the same dietary lipid level (90 g kg(-1) diet) were evaluated. The results show that the specific growth rate decreased with increasing dietary oxidized oil level (P < 0.05). All examined liver and kidney tissues in all dose groups exhibited what appeared as dose-dependent cellular modifications. In addition, lipid droplet accumulation in the hepatocytes of fish in all dose groups was increased, and their localizations were distinctly different between all dose groups. The ultrastructural changes suggest the progression of mitochondrial vacuolation, especially in the renal tubules, in all dose groups. These results reveal a previously underappreciated effect of dietary oxidized fish oil on channel catfish kidneys. Overall, a series of nutriphysiological responses were adversely affected by exposure to dietary oxidized fish oil, and the corresponding interference patterns on the metabolism and transport of nutrients within cells were observed.
关键词[WOS]: TILAPIA OREOCHROMIS-NILOTICUS ; TROUT SALMO-GAIRDNERI ; VITAMIN-E NUTRITION ; ATLANTIC SALMON ; RAINBOW-TROUT ; LIPID-PEROXIDATION ; BODY-COMPOSITION ; HYBRID TILAPIA ; GROWTH ; SUPPLEMENTATION
语种: 英语
WOS记录号: WOS:000310480500010
ISSN号: 1353-5773
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/17184
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.Wuhan Polytech Univ, Hubei Key Lab Anim Nutr & Feed Sci, Wuhan 430023, Hubei, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Peoples R China
3.Chinese Acad Fisheries Sci, Yangtze River Fisheries Res Inst, Wuhan, Peoples R China

Recommended Citation:
Dong, G. F.; Huang, F.; Zhu, X. M.; Zhang, L.; Mei, M. X.; Hu, Q. W.; Liu, H. Y..Nutriphysiological and cytological responses of juvenile channel catfish (Ictalurus punctatus) to dietary oxidized fish oil,AQUACULTURE NUTRITION,2012,18(6):673-684
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