Determination and Antimicrobial Susceptibility of Microorganisms Isolated from Otitis Externa with Dogs

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In this study, 54 ear swabs taken from suspected of otitis externa with dogs in Uludag University Faculty of Veterinary Medicine. Microorganisms isolated and identified. We determined the susceptibility of bacteriae to antibiotics. Microorganisms isolated from 52 (96.29 %) samples of 54 ear swabs. 12 bacteriae , 5 fungi, and 2 yeast isolated from 52 samples. The microorganisms were isolated in pure culture from (38.46 ) samples and were isolated in mixed culture from (%61.53) samples. Staphylococcus aureus (55.76% ) were most commonly isolated and respectively, Aspergillus fumigatus ( 17.30 % ), Malassezia pachydermatitis ( 17.30 % ) , coagulase -negative Staphylococcus spp. ( 17.30 % ) , Candida spp. ( 11.53% ) , Epidermophyton spp. ( 9.61% ) , Penicillium spp . (7.69%) , Bacillus spp. (5.76% ) , Citrobacter spp. (5.76% ), Microsporum spp. (5.76% ) , Klebsiella spp. (3.84%) , Streptococcus spp. (3.84%) , Escherichia coli (3.84%) , Micrococcus spp. (3.84%) , Trichophyton spp. (3.84%) , Pseudomonas spp. ( 1.92 % ) , Corynebacterium pyogenes ( 1.92 % ) , Enterobacter spp. ( 1.92 % ) , Acinetobacter spp. ( 1.92 % ) were isolated and identified. We determined Sulfamethoxazole / Trimethoprim and neomycin were the most effective antibiotics. Rifampicin was found to be the least effective.

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Dog , Neomycine , Otitis externa , Staphylococcus aureus , Sulfamethoxazole , Trimethoprim

Kocatepe Veterinary Journal

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Kocatepe Veterinary Journal