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Feeding optimization of rainbow trout as an application of a growth model with response to environmental factors
Ruohonen, K.; Mäkinen, T. (1989). Feeding optimization of rainbow trout as an application of a growth model with response to environmental factors, in: De Pauw, N. et al. (Ed.) Aquaculture: a biotechnology in progress: volume 1. pp. 689-696
In: De Pauw, N. et al. (Ed.) (1989). Aquaculture: a biotechnology in progress: volume 1. European Aquaculture Society: Bredene, Belgium. ISBN 90-71625-03-6. 1-592 pp., more

Available in Authors 
Document type: Conference paper

Keyword
    Marine

Authors  Top 
  • Ruohonen, K.
  • Mäkinen, T.

Abstract
    Optimizalion of feeding rainbow trout in varying environmental conditions is discussed as a computer-simulation problem. The target for optimization includes desired final weight, feed consumption, and nutrient loading. It also includes maximum conversion efficiency and maximum growth rate. One way to model the effects of environmental factors on fish growth and its example model are proposed. The model can be added to existing growth models that do not account for environmental factors other than temperature. Feeding optimization with the help of growth simulations is an effective managing tool; total feed consumption, and thus feed costs, can be reduced remarkably due to optimized feeding regimes. Furthermore, optimization of feeding regimes is an important way to diminish nutrient loading and environmental impact of fish farming.

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