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题名: Comparative studies on dietary protein requirements of juvenile and on-growing gibel carp (Carassius auratus gibelio) based on fishmeal-free diets
作者: Ye, W.1, 2; Han, D.2; Zhu, X.2; Yang, Y.2; Jin, J.2; Xie, S.2
通讯作者: Xie, S (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China.
关键词: Carassius auratus gibelio ; protein requirement ; soy protein concentrate
刊名: AQUACULTURE NUTRITION
发表日期: 2015-06-01
DOI: 10.1111/anu.12156
卷: 21, 期:3, 页:286-299
收录类别: SCI
文章类型: Article
部门归属: [Ye, W.] Univ Chinese Acad Sci, Beijing, Peoples R China ; [Ye, W. ; Han, D. ; Zhu, X. ; Yang, Y. ; Jin, J. ; Xie, S.] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Fisheries
研究领域[WOS]: Fisheries
英文摘要: Two trials were conducted to investigate protein requirements of juvenile (3.18g in Trial 1) and on-growing (87.1g in Trial 2) gibel carp, Carassius auratus gibelio var. CAS III. Six isoenergetic diets containing 250-500gkg(-1) dietary protein were formulated using soy protein concentrate (SPC) and casein as protein sources. The results showed that weight gain (WG) increased when dietary protein increased from 250 to 400gkg(-1) and decreased at 400 to 500gkg(-1) CP in Trial 1, while WG increased when dietary protein increased from 250 to 350gkg(-1) and kept constant at 350 to 500gkg(-1) CP in Trial 2. With increasing dietary protein, feed conversion ratio (FCR) decreased, while protein retention efficiency (PRE) decreased in Trial 1 and was not affected in Trial 2. Apparent digestibility coefficient of protein (ADC(p)) increased with increasing dietary protein in two trails. Trypsin activity increased with dietary protein in the juveniles and was not affected in on-growing fish. Hepatic alanine aminotransferase (ALT) and aspartate aminotransferase (AST) activities increased with dietary protein. Broken-line and quadratic regression of WG estimated that dietary protein requirements for maximum growth were about 402-427gkg(-1) for the juvenile and 337-418gkg(-1) for on-growing gibel carp.
关键词[WOS]: TROUT ONCORHYNCHUS-MYKISS ; DIGESTIVE ENZYME-ACTIVITIES ; FED PRACTICAL DIETS ; BODY-COMPOSITION ; GROWTH-PERFORMANCE ; RAINBOW-TROUT ; SOYBEAN-MEAL ; EPINEPHELUS-MALABARICUS ; CARCASS COMPOSITION ; SEMIPURIFIED DIETS
语种: 英语
WOS记录号: WOS:000353958400003
ISSN号: 1353-5773
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/23858
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.Univ Chinese Acad Sci, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
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文件名: Comparative studies on dietary protein requirements of juvenile and on-growing gibel carp (Carassius auratus gibelio) based on fishmeal-free diets.pdf
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