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Iraqi Journal of Veterinary Sciences

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Toxic effect of carbon tetrachloride on the liver of chicken

    M. G. Saeed

Iraqi Journal of Veterinary Sciences, 2009, Volume 23, Issue 2, Pages 89-95
10.33899/ijvs.2009.5737

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Abstract

The aim of the present study was assessment of gross and microscopic pathological changes resulting from sub acute and sub chronic toxicity of carbon tetrachloride CCl4 (99.5%) in the liver of chicken and its relation with serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels. The approximate lethal dose in three weeks old chickens was equal to (994 mg/kg i.p.). In the sub acute toxicity experiment the given dose was (497 mg/kg i.p.) twice a week for one week, the liver of treated animals with CCl4 grossly appeared pale and mottled with white yellowish color patches represent the necrotic tissue, the histopathological changes was severe hepatitis with infiltration of inflammatory cells specially heterophiles and diffused coagulative necrosis. In sub chronic toxicity experiment the dose was given (248.5 mg/kg i.p.) twice a week for eight weeks, in gross appearance the liver was severely congested, the histopathological changes was hypertrophy of hepatocytes, hyperplasia of lining epithelium of bile ducts and chronic venous congestion, growth depression and significant decreased in the body weight of the treated animals also noticed at this experiment in compared with control group, a significant increased in (ALT) and (AST) activities also recorded. The results suggests that pathological changes and response of the chicken’s liver to the CCl4 toxicity relatively differs from other laboratory animal models like rats and mice when used approximate dose in the same duration of exposure, so it didn’t appear fibrosis or cirrhosis of the liver of chickens, therefore it can't use chickens as a model to induce experimental fibrosis or liver cirrhosis when treated with CCl4 according to the dose and duration of exposure of this study.
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(2009). Toxic effect of carbon tetrachloride on the liver of chicken. Iraqi Journal of Veterinary Sciences, 23(2), 89-95. doi: 10.33899/ijvs.2009.5737
M. G. Saeed. "Toxic effect of carbon tetrachloride on the liver of chicken". Iraqi Journal of Veterinary Sciences, 23, 2, 2009, 89-95. doi: 10.33899/ijvs.2009.5737
(2009). 'Toxic effect of carbon tetrachloride on the liver of chicken', Iraqi Journal of Veterinary Sciences, 23(2), pp. 89-95. doi: 10.33899/ijvs.2009.5737
Toxic effect of carbon tetrachloride on the liver of chicken. Iraqi Journal of Veterinary Sciences, 2009; 23(2): 89-95. doi: 10.33899/ijvs.2009.5737
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