Pharmacokinetic profile and some pharmacodynamic aspects of cefquinome in chickens
2009
A. A. M. El-Gendy | M. A. Tohamy | Abeer M. Radi
The pharmacokinetic profile and some pharmacodynamic aspects of cefquinome were studied after intramuscular (IM) and subcutaneous (SC) administration of a single dose of 2 mg kg-1 b.wt. in chickens. Tissue distribution and residues of cefquinome after repeated IM injection for 5 consecutive days were also estimated. Cefquinome was rapidly absorbed after IM and SC injection as indicated by short half-lives of absorption (t0.s(ab)) of 0.170 and 0.262 h., respectively, while the elimination half-lives (t05(el)) were 3.428 and 25.023 h., respectively. Repeated IM doses of cefquinome (2 mg kg-1 b.wt., once daily) for 5 consecutive days caused no change in serum enzyme activities of ALT and AST, but induced significant increase in serum uric acid concentration after 72 to 120 hours of administration. The withdrawal time of cefquinome from tissue of chickens is 5 days following the last dose. Cefquinome has a wide spectrum of activity against Esherchia coli, Proteus mirabilis and Pseudomonas aeroginosa.
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