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Effects of zinc toxicity on biochemical composition of muscle and liver of murrel ( Channa punctatus )

Environment International, ISSN: 0160-4120, Vol: 24, Issue: 4, Page: 433-438
1998
  • 14
    Citations
  • 0
    Usage
  • 8
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    14
    • Citation Indexes
      14
  • Captures
    8

Article Description

Selected specimens of murrel ( Channa punctatus ) were exposed to a sublethal zinc concentration (2.4 mg L −1 ), determined as a fraction of the 96-h LC50 value, for 15, 30, 60, and 120 d. The zinc exposure produced marked changes in the chemical composition of liver and muscle tissues. These changes were more severe after 60 and 120 d, suggesting a cumulative action of zinc on the tissues. The metabolism of the fish decreased with the time of exposure and there was a decline in the calorific value of lipid, protein, and glycogen in muscle and liver. Glycogen and iron were the components most affected and the nutritive value of the fish was also adversely affected.

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