Environmental Requirements

  • Craig S. Tucker
  • Edwin H. Robinson

Abstract

Channel catfish grow fastest and are healthiest when reared under an optimal set of environmental conditions. When any factor deviates from the optimum, the general well-being of the fish is affected. Fish respond to suboptimal conditions (stressors) by modifying metabolism or behavior in an attempt to adapt to the new conditions. Initial reactions (stress responses) include release of hormones that prepare the animal for emergency action by mobilizing energy reserves and increasing respiratory efficiency. If stress is severe or maintained over a long period, the capacity of the fish to adapt is exceeded and some of the initial responses may actually have deleterious consequences. The ultimate results of severe or prolonged stress include reduced growth, impaired immunity to infectious disease organisms, poor reproductive success, or death (Pickering 1981).

Keywords

Hydrogen Sulfide Dissolve Oxygen Concentration Oxygen Consumption Rate Total Alkalinity Channel Catfish 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • Craig S. Tucker
    • 1
  • Edwin H. Robinson
    • 1
  1. 1.Mississippi State UniversityUSA

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