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题名: Effects of ammonia on growth, digestion and antioxidant capacity in juvenile yellow catfish Pelteobagrus fulvidraco (Richardson, 1846)
作者: Zhang, L.1, 2; Zhao, Z. -G.3; Fan, Q. -X.4
刊名: JOURNAL OF APPLIED ICHTHYOLOGY
发表日期: 2016-12-01
DOI: 10.1111/jai.13203
卷: 32, 期:6, 页:1205-1212
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Fisheries ; Marine & Freshwater Biology
研究领域[WOS]: Fisheries ; Marine & Freshwater Biology
英文摘要: Effects of ammonia stress on food ingestion, growth, digestion and antioxidant capacity were investigated in juvenile yellow catfish Pelteobagrus fulvidraco (Richardson) with initial body weights of 20.24 +/- 0.18g. The fish were reared in triplicate in 15 experimental tanks at a rate of 30 fish per tank for 56days. Water was maintained at a dissolved oxygen (DO) level of over 6.2mgL(-1), pH 7.2-7.6, and temperature of 29.0 +/- 1.5 degrees C under a natural 12L: 12D photoperiod. Survival, food ingestion (FI), specific growth rate (SGR), food conversion efficiency (FCE), apparent digestibility coefficient (ADC), total antioxidant capacity (T-AOC), levels of glutathione (GSH) and malonaldehyde (MDA), and activities of superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GSH-PX) of the juveniles were determined in total ammonia nitrogen (NH3-N+NH4-N) levels of 0 (control group), 3.36, 6.72, 13.44 and 26.88mgL(-1). The results show that the survival, FI, SGR, FCE, and ADC decreased significantly with an increase in total ammonia nitrogen (p<.05), and a significantly negative correlation between SGR and total ammonia nitrogen levels (p<.05). T-AOC, SOD, CAT, GSH-PX and GSH in the blood, liver and gills were found to decline significantly with an increase in the total ammonia nitrogen level (p<.05), while the MDA in the blood, liver and gills was elevated significantly with the increase in total ammonia nitrogen (p<.05). The results indicate a threshold in the induction of the T-AOC and activities of antioxidant enzymes in yellow catfish tissues with a total ammonia nitrogen increase. In the present study the total ammonia nitrogen threshold thus changed from 6.72mgL(-1) in the juvenile yellow catfish.
关键词[WOS]: LIPID-PEROXIDATION ; CHRONIC TOXICITY ; RAINBOW-TROUT ; EXPOSURE ; NITRITE ; STRESS ; RESPONSES ; NOBILIS ; LEVEL ; WATER
语种: 英语
项目资助者: Open Subject of National Key Laboratory of Freshwater Ecology and Biotechnology(2012FB10) ; Basic Research Project of Jiangsu Province - Youth Fund Project(BK20140475) ; Aquatic Three New Project of Jiangsu Province(Y2015-5) ; China Agriculture Research System(CARS-46) ; National Science and Technology Support Program(2012BAD25B00)
WOS记录号: WOS:000387857900027
ISSN号: 0175-8659
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/28677
Appears in Collections:其他_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Huaian Res Ctr, Huaian, Peoples R China
3.Chinese Acad Fishery Sci, Heilongjiang Fisheries Res Inst, Harbin, Peoples R China
4.Huazhong Agr Univ, Coll Fisheries, Wuhan, Peoples R China
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