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Structured modeling of fish physiology.

O A Olsen1, J G Balchen

  • 1Division of Engineering Cybernetics, Norwegian Institute of Technology, Trondheim.

Mathematical Biosciences
|November 1, 1992
PubMed
Summary
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This study developed fish physiology models for aquaculture and research, covering key functions like metabolism and feeding. While numerically imprecise, these models aid hypothesis testing in fish biology.

Area of Science:

  • Aquaculture
  • Fish Physiology Research
  • Computational Biology

Background:

  • Mathematical modeling is crucial for industrial process control and state estimation.
  • Fish physiology research and aquaculture can benefit from advanced modeling techniques.

Purpose of the Study:

  • To develop and present models of fish physiology for research and aquaculture applications.
  • To cover key physiological processes including gastric evacuation, metabolism, kidney and gill function, cardiovascular system, and feeding behavior.

Main Methods:

  • Literature data compilation.
  • Development of structured submodels for various physiological systems.
  • Simulation and state estimation techniques.

Main Results:

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  • Models developed for gastric evacuation, metabolism, kidneys, gills, cardiovascular system, and feeding behavior.
  • Model responses generally align with biological principles.
  • Numerical accuracy limitations were observed in several cases, typical for complex biological systems.

Conclusions:

  • The developed structured models provide a valuable tool for fish physiology research.
  • These models facilitate hypothesis testing by allowing modifications to submodels and parameters.
  • Further refinement may improve numerical accuracy for enhanced application in aquaculture and research.