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EFFECT OF RATION SIZE ON THE GROWTH AND ENERGY BUDGET OF THE GRASS CARP, CTENOPHARYNGODON-IDELLA VAL
CUI YIBO; CHEN SHAOLIAN; WANG SHAOMEI
1994
Source PublicationAQUACULTURE
Volume123Issue:1-2Pages:95-107
AbstractYoung 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.
Keyword6 Teleosts Nitrogenous Excretion Food-consumption Fecal Production Bioenergetics Temperature Diets
DepartmentACAD SINICA,INST HYDROBIOL,WUHAN 430072,PEOPLES R CHINA
Subject AreaFisheries ; Marine & Freshwater Biology
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/10316
Collection期刊论文
Recommended Citation
GB/T 7714
CUI YIBO,CHEN SHAOLIAN,WANG SHAOMEI. EFFECT OF RATION SIZE ON THE GROWTH AND ENERGY BUDGET OF THE GRASS CARP, CTENOPHARYNGODON-IDELLA VAL[J]. AQUACULTURE,1994,123(1-2):95-107.
APA CUI YIBO,CHEN SHAOLIAN,&WANG SHAOMEI.(1994).EFFECT OF RATION SIZE ON THE GROWTH AND ENERGY BUDGET OF THE GRASS CARP, CTENOPHARYNGODON-IDELLA VAL.AQUACULTURE,123(1-2),95-107.
MLA CUI YIBO,et al."EFFECT OF RATION SIZE ON THE GROWTH AND ENERGY BUDGET OF THE GRASS CARP, CTENOPHARYNGODON-IDELLA VAL".AQUACULTURE 123.1-2(1994):95-107.
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