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Title: Antibacterial susceptibility patterns of Pseudomonas strains isolated from chronic canine otitis externa
Authors: Martín Barrasa, José Luis 
Lupiola Gómez, P. 
González Lama, Z.
Tejedor Junco, M. T. 
Keywords: Dogs
Issue Date: 2000
Publisher: 0931-1793
Journal: Journal of Veterinary Medicine Series B: Infectious Diseases and Veterinary Public Health 
Abstract: Development of antibiotic resistance in bacteria is a problem of great concern. It is important to establish the convenience of antimicrobial susceptibility tests in animal infections. Thr aim of this study was to test the susceptibility to antibiotics of Pseudomonas strains isolated from chronic canine otitis esterna. We tested 23 strains of Pseudomonas: 19 Ps. aeruginosa, three Ps. fluorescens and one Pseudomonas spp The most effective antibiotics were tobramycin (100 % susceptible), marbofloxacin (91.3 %) and ceftazidime (91.3 %). Ticarcillin and gentamicin, commonly used fur the treatment of otitis externa also showed good results (susceptibility of strains was 86 and 65.2 % respectively). Lower susceptibility was found using enrofloxacin (52.1 %) probably due to its indiscriminate use. We emphasize the need for a rational policy of antibiotic prescribing in order to prevent the selection of resistant strains.
ISSN: 0931-1793
DOI: 10.1046/j.1439-0450.2000.00336.x
Source: Journal of Veterinary Medicine, Series B[ISSN 0931-1793],v. 47, p. 191-196
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