Author(s):

Spirita Sharmili V, Avila Varshini R, Kanagapan M

Abstract: Gills are the prime organs for gaseous exchange and perform several other physiological functions including osmoregulation and excretion. In the present study, the gill histological damage of the Zebra fish Danio rerio, exposed 1/4th (6.82 mg/l) and 1/10th (2.73 mg/l) 96h LC50 concentrations of Alkylbenzene Sulfonate (ABS) for long term intervals (30,45 and 60 days) is assessed. The histological changes to gills were edema, fusion of lamellae, lamellar aneurism and regeneration of the primary and secondary lamella occurred.

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