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Sarafloxacin hydrochloride is a quinolone antibiotic drug.Target: Antibacterialsarafloxacin hydrochloride is a fluoroquinolone antibiotic registered for use against poultry diseases. Sarafloxacin treatment demonstrated mineralization to 14CO2 amounting to 0.58%, 0.49%, and 0.57% in loam, silt loam, and sandy loam soils, respectively, at the termination of the test [1]. The inhibitory level of sarafloxacin for the tested bacteria was strain dependent. It appeared that in broth culture Escherichia coli isolates were sensitive to sarafloxacin concentrations 5-fold lower than the concentrations present in the simulated gut model, suggesting that sarafloxacin may be partially unavailable due to absorption to organic matter in the model [2]. Administering Sarafloxacin hydrochloride in the feed for 5 d at a dose of 10 or 12.5 mg/kg of fish proved efficacious in treating channel catfish infected with E. ictaluri in all three field trials. Average survival of the nonmedicated group was 43% in trial 1, 11°% in trial 2, and 59% in trial 3. Survival of the corresponding Sarafloxacin hydrochloride-medicated groups averaged 68, 48, and 73%. Antibiotic therapy with Sarafloxacin hydrochloride significantly (P < 0.05) improved survival in all trials [3].