EFFECT OF MERCURIC CHLORIDE ON GLYCOGEN CONTENT OF THE FRESHWATER MUSSEL PARREYSIA FAVIDENSP. R. BEIAAIRE, A. E. DESAI AND B. M. DEORAYAbstract Parreysia favidens were exposed to 3.24 mg/1 mercuric chloride for 72 hours as acute treatment and 1.89 mg/I mercuric chloride for 20 days as chronic treatment. The changes in glycogen connt of whole body, foot, digestive gland and mantle was observed at various exposure periods. The average glycogen content of the whole body decreased significantly in acute as well as chronic exposure period. Significant glycogen decrease was found in digestive gland followed by foot and mantle.
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