A new approach to diet optimisation:: A re-analysis using European whitefish (Coregonus lavaretus)

被引:60
作者
Ruohonen, Kari
Simpson, Stephen J.
Raubenheimer, David
机构
[1] Turku Game & Fisheries Res, Finnish Game & Fisheries Res Inst, FIN-20520 Turku, Finland
[2] Univ Sydney, Sch Biol Sci, Sydney, NSW 2006, Australia
[3] Univ Auckland, Sch Biol Sci, Liggins Inst, Auckland 1, New Zealand
关键词
geometrical framework; mixture designs; feed formulation; nutrition; European whitefish;
D O I
10.1016/j.aquaculture.2007.02.051
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
There is a need to develop new methods for formulating optimal feeds for farmed fish, and for making explicit assessments of the criteria by which the success of a formulation may be judged. We show how a combination of mixture design theory and state-space models of nutrition (the Geometric Framework, GF) can be used to derive a 5-step protocol for multi-criterion diet optimisation. Step 1 involves selecting the focal nutritional axes for modelling; step 2 uses mixture theory to choose an optimal selection of experimental diets to test in experiments; step 3 entails using GF to plot and interpret intake and growth arrays; step 4 involves plotting response variables onto intake arrays, and step 5 uses multi-criterion optimisation to combine and weigh several relevant response variables. We illustrate the approach by re-analysing data from dietary studies on European whitefish. (C) 2007 Published by Elsevier B.V.
引用
收藏
页码:147 / 156
页数:10
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