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In the present investigation, the effect of sublethal fractions (1/4th, 1/8th and 1/16th of 96-hr LC50) of thiotox and dichlorvos on blood glucose, lactate, and liver and muscle glycogen levels of Clarias batrachus, Saccobranchus fossilis, and Mystus vittatus, exposed for 30 days, have been studied. It was observed that blood glucose and lactate levels(More)
Mercuric intoxication at sublethal levels (1/5, 1/10, 1/15, 1/20 or 1/25 fractions of 96 h LC50) produced alterations in the activity of serum glutamic oxalacetic transaminase (SGOT) and serum glutamic pyruvic transaminase (SGPT) of Notopterus notopterus. The difference between control and treated fish was found to be significant at P less than 0.05, P less(More)
The effects of 0.0021, 0.00126 and 0.00063 mg thiotox per liter and 5.18, 3.11 and 1.56 malathion per liter (1/3, 1/5, and 1/10 fractions of 96-h LC50) on acid, alkaline and glucose-6-phosphatases in liver, brain and gills of Saccobranchus fossilis were studied after 30 days exposure with or without ascorbic acid. These enzyme activities were altered by(More)
Effect of sublethal concentrations, 0.088, 0.044, 0.029, 0.022 and 0.0176 mg HgCl2 per liter (1/5, 1/10, 1/15, 1/20, and 1/25 fractions of 96-h LC50) on Na+-K+, Mg2+, and total ATPase activities in brain, gills, kidney and liver of Notopterus notopterus have been studied after 30 days exposure. Na+-K+ ATPase were inhibited maximally and significantly in(More)
The freshwater fish Notopterus notopterus were exposed to various sublethal concentrations (0.088, 0.044, 0.029, 0.022, and 0.017) of mercuric chloride (HgCl2) mg/liter for 15, 30, 45, and 60 days, and their effects on glucose, lactate, cholesterol, plasma glutamic oxalacetic transaminase (PGOT) and plasma glutamic pyruvic transaminase (PGPT) of the blood(More)
Sublethal concentrations of mercuric chloride inhibited the liver, kidney and gill enzymes, acid, alkaline, and glucose-6-phosphatase of the fish Notopterus notopterus, which had been exposed to the heavy metal for 30 days. Higher concentrations produced highly significant (p less than 0.001) inhibition, whereas concentrations that were 1/25th the lethal(More)
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