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学科主题: Fisheries; Marine & Freshwater Biology
题名: EFFECT OF RATION SIZE ON THE GROWTH AND ENERGY BUDGET OF THE GRASS CARP, CTENOPHARYNGODON-IDELLA VAL
作者: CUI YIBO ; CHEN SHAOLIAN ; WANG SHAOMEI
关键词: 6 TELEOSTS ; NITROGENOUS EXCRETION ; FOOD-CONSUMPTION ; FECAL PRODUCTION ; BIOENERGETICS ; TEMPERATURE ; DIETS
刊名: AQUACULTURE
发表日期: 1994
卷: 123, 期:1-2, 页:95-107
收录类别: SCI
部门归属: ACAD SINICA,INST HYDROBIOL,WUHAN 430072,PEOPLES R CHINA
摘要: Young grass carp (12-13 g) were kept at five ration levels ranging from starvation to ad libitum feeding at 30-degrees-C. They were fed duckweed. Food consumption, absorption efficiency and growth were determined directly, and metabolism and nitrogenous excretion calculated indirectly from energy and nitrogen budgets, respectively. The relationship between specific growth rate and ration size was linear. Absorption efficiency for energy was not affected by ration size and averaged 50.6 +/- 0.57% (mean +/- s.e.). Depending on ration size, energy lost in excretion accounted for 4.5-5.9% of the food energy, energy channelled to metabolism accounted for 34.4-48.3% of the food energy, and energy retained as growth accounted for 6.7-11.9% of the food energy. Regardless of ration, a constant proportion of food energy (30.7%) was accounted for by feeding metabolism (total metabolism minus fasting metabolism). The energy budget at the maximum ration was: 100 C = 49.1F + 4.5U + 3.6R(fa) + 30.9R(fe) + 11.9G, where C, F, U, R(fa), R(fe) and G represent food consumption, faecal production, excretion, fasting metabolism, feeding metabolism and growth, respectively.
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/10316
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Recommended Citation:
CUI YIBO; CHEN SHAOLIAN; WANG SHAOMEI.EFFECT OF RATION SIZE ON THE GROWTH AND ENERGY BUDGET OF THE GRASS CARP, CTENOPHARYNGODON-IDELLA VAL,AQUACULTURE,1994,123(1-2):95-107
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