Atrazine Toxicity in Nile Tilapia [Oreochromis niloticus].

Document Type : Original Article

Authors

1 pollution lap. - national institute of oceanography and fisheries

2 Environmental Sciences Department, Faculty of Science, Port Said University, Port Said, Egypt

Abstract

The herbicide atrazine is currently the most popular in the world's agriculture. The aim of the current study was to assess the toxicity of the commercial herbicide atrazine [Gesaprim] and its divers effects on haematological and biochemical indices in Nile Tilapia [Oreochromis niloticus]. By using probit analysis, the atrazine's 96-hour LC50 was determined [29.889 mg/L]. Fish were subjected to atrazine at varying concentrations [1/2 LC50=14.945 mg/l, 1/3 LC50=9.96 mg/l, 1/5 LC50 = 5.978, and 1/10 =2.989 mg/l] for a month in the study on chronic toxicity. WBC, MCHC, MCH, cholesterol, triglycerides, creatinine, uric acid, glucose, AST, and ALT demonstrated a significant increase with increasing concentrations and days [P<0.05], whereas RBCs, Hb, Ht, MCV, protein, albumin, and globulin demonstrated a significant decrease [P<0.05]. Hence, the study has demonstrated that atrazine exposure is hazardous to O. niloticus. Therefore, the use of the herbicide atrazine must be at a minimum level and these parameters can be used as effective guidelines for the toxic level indices for farmed tilapia fish.

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Alfarama Journal of Basic & Applied Sciences
Volume 4, Issue 4
October 2023
Pages 712-726

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