• pH regulation during long-term swimming in the mullet,Rhinomugil corsula (Hamilton)

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/anml/090/03/0303-0306

    • Keywords

       

      pH regulation; muscle lactate; Rhinomugil corsula ; CO2; HCO3

    • Abstract

       

      The regulation of blood pH during long-term swimming in mullet,Rhinomugil corsula (Hamilton) acclimated to 30° C and forced to swim in a tunnel type apparatus for five hours continuoustly was studied. The accumulation of lactic acid in muscle caused a reduction of muscle pH. But in blood the reduction of pH during the 1st hour of exercise was followed by the recovery of pH to norma level during the later hours of exercise. The maintenance of pH was apparently caused by the retention of CO2 in the form of HCO3 ions in blood.

    • Author Affiliations

       

      N Sukumaran1 M N Kutty1

      1. FisheriesCollege, Tamil Nadu Agricultural University, Tuticorin - 628 003, India
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