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In vitro antimicrobial activity of orbifloxacin against Staphylococcus intermedius isolates from canine skin and ear infections.
- Source :
-
Research in veterinary science [Res Vet Sci] 2004 Aug; Vol. 77 (1), pp. 67-71. - Publication Year :
- 2004
-
Abstract
- The objective of the study was to evaluate the in vitro activity of orbifloxacin against Staphylococcus intermedius strains isolated in France from canine skin and ear infections. The minimum inhibitory concentrations (MICs) of orbifloxacin against 240 field S. intermedius isolates (69 skin and 171 ear isolates) ranged from 0.016 to 8 mg l(-1), with MIC50 and MIC90 equal to 0.5 and 1 mg l(-1), respectively. Only one strain, a pyoderma isolate was resistant (MIC=8 mg l(-1)). Orbifloxacin was tested at different concentrations for killing rate against five isolates obtained from pyoderma cases and against a reference strain (Staphylococcus aureus ATCC 29213). Orbifloxacin expressed a concentration-dependent bactericidal activity against the S. aureus reference strain, but a time-dependent bactericidal activity against S. intermedius. Orbifloxacin induced bactericidal effect against the S. intermedius strains tested with concentrations equal to or two times MIC.
- Subjects :
- Animals
Dogs
Drug Resistance, Bacterial
Microbial Sensitivity Tests veterinary
Otitis Externa microbiology
Pyoderma microbiology
Staphylococcal Skin Infections microbiology
Staphylococcus isolation & purification
Anti-Infective Agents pharmacology
Ciprofloxacin analogs & derivatives
Ciprofloxacin pharmacology
Dog Diseases microbiology
Otitis Externa veterinary
Pyoderma veterinary
Staphylococcal Skin Infections veterinary
Staphylococcus drug effects
Subjects
Details
- Language :
- English
- ISSN :
- 0034-5288
- Volume :
- 77
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- Research in veterinary science
- Publication Type :
- Academic Journal
- Accession number :
- 15120955
- Full Text :
- https://doi.org/10.1016/j.rvsc.2004.02.002