Enzymological changes in Danio rerio exposed to lead nitrate and water quality assessment
Introduction Nowadays, the effect of heavy metals on aquatic animals is attracting widespread interest, particularly in studies related to industrial contamination [1]. Pollution due to heavy metals in aquatic habitats has become a source of great concern [2]. Different sources produce heavy metal, including natural and anthropogenic sources [3]. Industrial discharges contain pesticides, suspended solids, …