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题名: Responses of yellow catfish (Pelteobagrus fulvidraco Richardson) to low-protein diets and subsequent recovery
作者: Dong, G. F.1; Yang, Y. O.2; Yao, F.2; Wan, Q.2; Yu, L.2; Zhou, J. C.3; Li, Y.2
通讯作者: Yang, YO (reprint author), Anhui Agr Univ, Coll Anim Sci & Technol, Hefei 230000, Anhui, Peoples R China.
关键词: amino acid composition ; compensatory growth ; Pelteobagrus fulvidraco Richardson ; protein restriction ; realimentation
刊名: AQUACULTURE NUTRITION
发表日期: 2013-06-01
DOI: 10.1111/j.1365-2095.2012.00978.x
卷: 19, 期:3, 页:430-439
收录类别: SCI
文章类型: Article
部门归属: [Dong, G. F.] Wuhan Polytech Univ, Hubei Key Lab Anim Nutr & Feed Sci, Wuhan, Hubei, Peoples R China ; [Yang, Y. O. ; Yao, F. ; Wan, Q. ; Yu, L. ; Li, Y.] Anhui Agr Univ, Coll Anim Sci & Technol, Hefei 230000, Anhui, Peoples R China ; [Zhou, J. C.] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Hubei, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: Development Fund for Doctor in Anhui Agricultural University [YJ2008-22]; Educational Commission of Hubei Province [Q20101710]; International Science & Technology Cooperation Program of China [2011DFG33280]
类目[WOS]: Fisheries
研究领域[WOS]: Fisheries
摘要: A 4-week growth trial was conducted to investigate the effect of low-protein diets on the growth and amino acid (AA) composition of yellow catfish, and subsequent recovery when the fish were then switched back to the control diet for a further 4weeks. Three isolipidic and isocaloric diets containing 390gkg1 (Control), 320gkg1 (D320) and 260gkg1 (D260) graded protein levels were evaluated. During the protein restriction period, specific growth rate (SGR) of D320-and D260-treated fish was significantly reduced by 20.79% and 29.21% compared to the control fish, respectively (P<0.05), while significant improvements in protein retention efficiencies were observed in fish fed with the D320 (12.82%) and D260 (19.58%) diets (P<0.05). The D260-treated fish had significantly lower (0.87%) whole-body essential amino acid (EAA) and significantly higher (0.74%) non-essential amino aci (NEAA) concentrations compared to the control fish. After a 4-week realimentation, significant increases in the SGR of the protein-restricted fish were observed. However, no significant differences in the whole-body EAA or NEAA concentrations among groups were observed (0.05). The results indicate that previously protein-restricted yellow catfish can compensate completely in terms of final body weight, growth rate and whole-body AA concentrations.
英文摘要: A 4-week growth trial was conducted to investigate the effect of low-protein diets on the growth and amino acid (AA) composition of yellow catfish, and subsequent recovery when the fish were then switched back to the control diet for a further 4weeks. Three isolipidic and isocaloric diets containing 390gkg1 (Control), 320gkg1 (D320) and 260gkg1 (D260) graded protein levels were evaluated. During the protein restriction period, specific growth rate (SGR) of D320-and D260-treated fish was significantly reduced by 20.79% and 29.21% compared to the control fish, respectively (P<0.05), while significant improvements in protein retention efficiencies were observed in fish fed with the D320 (12.82%) and D260 (19.58%) diets (P<0.05). The D260-treated fish had significantly lower (0.87%) whole-body essential amino acid (EAA) and significantly higher (0.74%) non-essential amino aci (NEAA) concentrations compared to the control fish. After a 4-week realimentation, significant increases in the SGR of the protein-restricted fish were observed. However, no significant differences in the whole-body EAA or NEAA concentrations among groups were observed (0.05). The results indicate that previously protein-restricted yellow catfish can compensate completely in terms of final body weight, growth rate and whole-body AA concentrations.
关键词[WOS]: TROUT ONCORHYNCHUS-MYKISS ; COMPENSATORY GROWTH ; RAINBOW-TROUT ; BODY-COMPOSITION ; LIPID-LEVELS ; OREOCHROMIS-NILOTICUS ; FEED-UTILIZATION ; SKELETAL-MUSCLE ; PRACTICAL DIETS ; HYBRID TILAPIA
语种: 英语
WOS记录号: WOS:000318278300020
ISSN号: 1353-5773
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19305
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, Hubei, Peoples R China
2.Anhui Agr Univ, Coll Anim Sci & Technol, Hefei 230000, Anhui, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan, Hubei, Peoples R China

Recommended Citation:
Dong, GF; Yang, YO; Yao, F; Wan, Q; Yu, L; Zhou, JC; Li, Y.Responses of yellow catfish (Pelteobagrus fulvidraco Richardson) to low-protein diets and subsequent recovery,AQUACULTURE NUTRITION,2013,19(3):430-439
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