Effect of cadmium and lead exposure and recovery on kidney of fishes juveniles Carassius carassius( L.)‎

الملخص EN

In this study two groups of fishes juveniles Carassius carasssius were used.

All groups were exposed to two different concentrations of Cd (0.2 &0.5) ppm and Pb (15 & 30 ) ppm for (LT50) period 8days.

first groups histopathological changes in the kidney of fishes were studied .And its include : deformation of brush border, karyolysis, karyohexis, degenration of cell Tubules, atrophy of tubules,granuloma and wide necrosis in tubules.

But second groups of fishes were transferred in to clean water for recovery period of 8days.

And it showed that there was renal damage and no reversal instead.