• Sex-related biochemical investigation of the diaptomid,Heliodiaptomus viduus Gurney (Crustacea: Copepoda)

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    • Keywords


      Heliodiaptomus viduus ; sex-related biochemical composition; freshwater tropical copepod

    • Abstract


      The freshwater diaptomid,Heliodiaptomus viduus was subjected to biochemical analysis to study its sex-related differences. Its chemical composition was similar to that of other copepods, the concentration of the components decreased in the order of protein > lipid > carbohydrate. The ovigerous females show higher dry weight and consequently the protein, lipid and carbohydrate concentrations are greater than non-ovigerous females and males. There are also considerable qualitative and quantitative differences in the free amino acid composition.

    • Author Affiliations


      K Altaff1 M R Chandran2

      1. Department of Zoology, The New College, Madras - 600 014, India
      2. Department of Zoology, Presidency College (Autonomous), Madras - 600 005, India
    • Dates


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