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  • Title: Disposition kinetics of danofloxacin and ciprofloxacin in broiler chickens.
    Author: el-Gendi AY, el-Banna HA, Abo Norag M, Gaber M.
    Journal: Dtsch Tierarztl Wochenschr; 2001 Oct; 108(10):429-34. PubMed ID: 11721591.
    Abstract:
    Disposition kinetics of danofloxacin and ciprofloxacin were studied in broiler chickens following intravenous, intramuscular and oral administration in a single dose of 5 and 10 mg/kg-1 body weight respectively. In addition, tissue distribution and residual pattern of both drugs were determined. The maximum serum concentration (Cmax) after intramuscular and oral administration were 1.03 and 0.55 mu/ml for danofloxacin and 2.92 and 1.24 mu/ml for ciprofloxacin attained at 0.8 and 2.43 and 0.55 and 1.27 hours for danofloxacin and ciprofloxacin respectively. The volume of distribution and systemic bioavailability were higher for danofloxacin (Vdss 2.21 L/kg and F% 96.56 and 81.4%) as compared with ciprofloxacin (Vdss 1.41 L/kg and F% 75.5 and 29.4%). Data relating to intravenous injection for both drugs were analyzed using a two compartment open model curve fit. Danofloxacin and ciprofloxacin were not detected in the serum of broilers at the 5th and 3rd day respectively following the drugs withdrawal while were detected in liver, kidneys, spleen and lungs. Danofloxacin completely disappeared from all tissues at the 13th day after stopping of the drug medication but ciprofloxacin disappeared after 5 days only.
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