Investigation of toxicity and effect of diazinon on biochemical blood factors on gold fish (Carassius auratus)

Document Type : Research Paper


1 Ph.D. Student in Fisheries, Department of Fisheries, Gorgan University of Agriculture Sciences and Natural Resources, Gorgan, Iran

2 Professor in Department of Fisheries, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran

3 Assistant Professor in Department of Fisheries, University of Kurdistan, Sanandaj, Iran

4 Assistant Professor in Department of Fisheries, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran


In this study, at first, the effects of the acute toxicity of agricultural pesticide, diazinon, on adult males of gold fish were determined. After analyzing the results using Probit software, the amount of LC50 was distinguished during 24, 48, 72 and 96 hours. The amount of LC50 was 11.4 in 96 hours and the fish were assorted according to 0.1 and 0.01 percent of LC50 in 96 hours and were put there for about 7 months. Then, the level of total protein, serum glucose, alkaline phosphatase (ALP), alanine transferase (ALT), aspartate amino transferase (AST) was studied. The results showed that fish were affected by high concentration of diazinon, had the lowest ALP (P<0.05) but ALT, AST, glucose and total protein increased significantly (P<0.05).


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