Assessment of Acute Toxicity (LC₅₀) of the Insecticide Voliam Targo in the Freshwater Fish Channa gachua

Author(s)	Mr. Hitesh Kondaji Pawar, Dr. Avinash Kadu Sonawane
Country	India
Abstract	The increasing use of pesticides in modern agriculture poses a significant threat to aquatic biodiversity. The present study evaluates the acute and sublethal toxicity of the insecticide Voliam Targo a combination of chlorantraniliprole and abamectin in the freshwater fish Channa gachua, a species of ecological and nutritional importance. The LC₅₀ values decreased progressively with increasing exposure duration, indicating enhanced toxicity over time: 0.51 ppm at 24 hours, 0.38 ppm at 48 hours, 0.27 ppm at 72 hours, and 0.10 ppm at 96 hours. Sublethal toxicity was assessed at one-tenth of the 96-hour LC₅₀ (0.01 ml/L) over a 28-day exposure period. These findings demonstrate that Voliam Targo exerts both lethal and sublethal effects on Channa gachua, emphasizing the ecological risks associated with its agricultural runoff and the necessity of implementing stricter pesticide regulation near aquatic systems.
Keywords	LC₅₀, Voliam Targo, Channa gachua, acute toxicity, sublethal exposure.
Field	Biology > Zoology
Published In	Volume 7, Issue 6, November-December 2025
Published On	2025-12-10
DOI	https://doi.org/10.36948/ijfmr.2025.v07i06.64158

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