EFFECT OF PHYSICO-CHEMICAL POLLUTION OF RIVER DEORANIA ON THE METABOLIC ACTIVITIES OF PREDATORY FISH, CHANNA PUNCTATUS AT DISTRICT BAREILLY (U.P.) INDIA

The present study was aimed at assessing the value of different physicochemical parameters of two sites (i.e. site A is clear and considered a control site while site B is loaded with heavy pollution so it is considered as experimental site) during December 2005-2006 and 2020-2021 in extreme months of different seasons. The analysis showed that the discharge of a major part of domestic wastes of Bareilly City, city refuge, debris, animal and human excreta and industrial effluents, enhanced the pollution load at site B and thereby enhanced the abnormal metabolic activities of fish. Whereas at clear site A the metabolic activities of fish were normal. In the present study, the following parameters i.e. temperature, colour, transparency, dissolved oxygen (DO), free CO2, biochemical oxygen demand (BOD), salinity, total dissolved solids (TDS), level of glycogen, reducing sugar level, total protein level, level of amino acids, activity of alkaline phosphatase and acid phosphatase enzymes were analysed.