Abstract
Effect of Cartap hydrochloride on the liver and kidney of the Indian major carp, Cirrhinus mrigala was studied. Fingerlings were exposed to sub-lethal (0.0376 mg-1) and lethal (0.376 mg-1 ) concentrations of Cartap hydrochloride for 24 and 96 hours. The histological changes in the liver of fish Cirrhinus mrigala exposed to sublethal and lethal concentrations of cartap hydrochloride were characterized by the formation of the prominent yellowish-brown pigment cytoplasmic vacuoles, pycnotic nuclei, degeneration of hepatopancreatic tissue, eosinophilic granules, Melano macrophages aggregate, appearance of blood streaks, degeneration of hepatopancreatic tissue, hypertrophic nuclei, cytoplasmic degeneration change in the shape of the hepatocytes, disappearance of hepatic cells, hyperplasia of cells, hypertrophic nuclei and degeneration of cell membrane. The kidney of the treated fish showed the appearance of prominent tubular yellowish brown pigment, formation of vacuoles, swelling of glomerulus, separation of the tubular epithelium, tubular architectural loss, damage of bowmans capsule, tubular cytoplasmic degeneration, cloudy swelling degeneration, damage to renal tubules, damaged haemopoitic tissue, necrosis of cell and renal tubules, disorganization of connective tissue, degeneration of cytoplasm, pyknotic nuclei, hypertrophy of nuclei, disintegration of cell membrane were also seen. The results obtained were discussed at length with the available literature. By studying these histological deformities, it was concluded that the pesticide caused enough damage to the liver and kidney of the fish and can influence on the survival of the fish.
Published Version
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