Study of muscle glycogen content in both sexes of an Indian teleost Clarias batrachus (Linn.) exposed to different concentrations of Arsenic
2011
Kumari, Bibha | Ahsan, Jawaid
The present investigation has been conducted to study the effect of different sublethal concentrations of arsenic (5, 10 and 15 mg/L) on the muscle glycogen content in an Indian teleost, Clarias batrachus, during their post-spawning period (October to January).The species were exposed to various arsenic concentrations for six consecutive days i.e.,144 h. Significant differences in average muscle glycogen content were found in the treated male and female C. batrachus specimens. However, significantly higher (P < 0.01) muscle glycogen content was observed in male fish when compared to females in the untreated specimens. Arsenic caused muscle glycogenolysis in both sexes of C. batrachus. The depletions were not always dose (arsenic concentration) and time dependent, although higher concentrations were more glycogenolytic than the lower concentrations. After 96 h of treatment with arsenic, less depletion of muscle glycogen content was recorded in both sexes of fish.
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