Histopathological Changes in Gill Tissue of the Fish Catla catla Exposed to Sublethal Concentration of Pesticide Methyl Parathion and a Heavy Metal Ferous Sulphate

R.Tamil Selvi¹ and M. Ilavazhahan²

¹Department of Chemistry, Bharthi women’s College, Chennai-600 108, India.

²Department of Advanced Zoology and Biotechnology, Sir Theagaraya College, Chennai - 600 021, India.

Abstract: Histopathological changes in the gill tissue of the fish Catla catla exposed to sublethal concentration of Methyl parathion and Ferrous sulphate was studied. Marked pathological changes are observed ranging from bulging of tips of primary gill filaments to fusion of disorganized secondary gill filaments.

Keywords: Catla catla; Methyl parathion; Ferrous sulphate; Histopathological changes; Primary gill filament

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