期刊
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
卷 33, 期 2, 页码 121-126出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.etap.2011.11.005
关键词
Aflatoxin B1; Enrofloxacin; Ciprofloxacin; Tissue residues; Broiler chickens
资金
- Indian Council of Agricultural Research, New Delhi
The impact of subchronic exposure of aflatoxin B1 on the tissue residues of enrofloxacin and its metabolite ciprofloxacin was examined in broiler chickens. Broiler chickens given either normal or aflatoxin B1 (750 mu g/kg diet) supplemented diets for 6 weeks received enrofloxacin (10 mg/kg/day, p.o.) for 4 days and thereafter, residue levels were determined. Aflatoxin B1 induced alterations in serum marker enzymes. As compared to unexposed broiler chickens, enrofloxacin concentrations in aflatoxin B1-exposed broiler chickens were significantly higher in all tissues (0.62-4.53 mu g/g) analyzed except muscle 24 h after termination of enrofloxacin administration. Ciprofloxacin was detectable in tissues of only mycotoxin-exposed broiler chickens. Enrofloxacin residues in liver, kidney and skin plus fat persisted for 10 days in mycotoxin-exposed broiler chickens whereas it was detectable only in liver of unexposed broiler chickens. Our results indicate that subchronic aflatoxin B1 exposure markedly influences the residue levels of enrofloxacin and ciprofloxacin in tissues of broiler chickens. (C) 2011 Elsevier B.V. All rights reserved.
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