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Biochemical effects of zinc on the muscle of common carp, Cyprinus carpio

, : Biochemical effects of zinc on the muscle of common carp, Cyprinus carpio. Punjab University Journal of Zoology 3(0): 71-78, 1988

Muscles of fresh water fish, Cyprinus carpio exposed to zinc chloride (50 mu-g/ml) for two different time periods (48 hours and 4 weeks) were analyzed for zinc toxicity. The zinc chloride treatment for 48 hours did not produce any significant alteration in muscle enzymes (GOT, GPT and LDII) activities except for CPK which was raised 54 and 59% after 24 and 48 hours of treatment, respectively. Glycogen content exhibit 104 and 54% increase after 24 and 48 hours of treatment, while the total proteins decreased significantly by 21 to 27% at 6, 12 and 48 hours of treatment. In 4 week long zinc chloride treatment almost all the biochemical parameters remained unaffected except for GOT activity which was inhibited 49% after 2 weeks and for FAA content that decreased 59% during 1st week of treatment.


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