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Abstract
Flumethrin is used extensively in livestock periodically, which may cause adverse effect in goats and subsequently to human being through food chain. Flumethrin at 1.0% solution was applied weekly dermally for 84 days and hematobiochemical as well as immunological parameters, anti-oxidant status, liver enzymes, and tissue residues in goats were estimated. Flumethrin did not produce changes in hemogram except decreased total leukocyte count. Serum protein level was decreased, but serum AST and ALT activities were increased at the end of the study period. IgG level was decreased from the last 2 weeks. But flumethrin did not produce any effect on antioxidant status, as evident from nonsignificant changes in catalase, lipid peroxidation, superoxide dismutase, and reduced glutathione level in liver. Liver AST and ALT activities increased and cytochrome P450 content decreased on day 85. Histopathological study revealed mild changes in liver. Low level of residues of flumethrin was detected in vital tissues following high-performance liquid chromatographic (HPLC) analysis. Flumethrin could not be detected in tissues after 21 days withdrawal period. It may be concluded that flumethrin produces mild changes in various biochemical and immunological parameters from the last 2 weeks of study period and did not have a tendency to accumulate in the different tissues following weekly dermal application for 3 months.