Subacute toxicity of fenvalerate in broiler chicks: concentration, cytotoxicity and biochemical profiles.
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1994-10-01
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Subacute toxicity study of fenvalerate was carried out in broiler chicks after oral administration @ 525.6 mg/kg once daily for 28 days. The blood concentration of fenvalerate following 1 day post-administration (pd) was 39.65 +/- 2.67 micrograms/ml and maintained plateau thereafter up to day 21 pd, and then declined (18.46 +/- 1.47 micrograms/ml) on day 28 pd. Intestine contained maximum residue (7.46 +/- 1.96 micrograms/g) followed by fat (5.95 +/- 1.16 micrograms/g), brain (5.06 +/- 0.96 micrograms/g), liver (3.93 +/- 0.51 micrograms/g), kidney (3.79 +/- 0.72 micrograms/g) and heart (1.72 +/- 0.35 micrograms/g). Histopathological examinations showed focal areas of necrosis in liver, proliferation and fibrosis of bile duct, larger size of glomeruli, glomerular and tubular necrosis in treated birds. Fenvalerate significantly increased the cholesterol level in brain, GPT activity in liver and heart, GOT activity in heart, and alkaline phosphatase activity in heart and brain tissue. It significantly decreased the glycogen content in liver and heart, GOT activity in brain and acid phosphatase activity in all the tissues analyzed. It appears that comparatively fowl is resistant to fenvalerate toxicity.
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Majumder S, Chakraborty AK, Mandal TK, Bhattacharya A, Basak DK. Subacute toxicity of fenvalerate in broiler chicks: concentration, cytotoxicity and biochemical profiles. Indian Journal of Experimental Biology. 1994 Oct; 32(10): 752-6