Drug susceptibility of bacteria and M pachydermatis isolated from canine external ear canals
1999
Kim, K.H. | Choi, W.P. (Kyungpook National University, Taegu (Korea Republic). College of Veterinary Medicine) | Yeo, S.G. (Gyeongsang National University, Chinju (Korea Republic). College of Vetrinary Medicine)
The present work was conducted to investigate the drug susceptibility of microorganisms isolated form canine external ear canals. Antifungal susceptibility test of M pachydermatis(17 strains) was performed by agar dilution method, using 11 antifungal drugs including amphotericin B(A), nystatin(N), pimaricin(P), griseofulvin(G), gifonazole(B), clotrimazole(C), miconazole(M), econazole(E), ketoconazole(K), tolnaftate(T), 5-fluorocytosine(F). All isolates were highly sensitive to K, M, T(geometric mean MIC;GM MIC_0.16 micro gram/ml). Antibacterial susceptibility test against 119 isolates of bacteria was performed by agar dilution method, using 9 antibacterial drugs including erythromycin(ET), chloramphenicol(CP), gentamycin(G), vancomycin(V), ampicillin(AP), amoxacillin(AX), chlortetracycline(CT), ciprofloxacin(CF), enrofloxacine(EF). All isolates of Staphylococcus spp(101 strains) were highly sensitive to EF, CF, G(GM MIC 0.33~1.47 micro gram/ml). In other gram positive cocci(4 strains), they were highly sensitive to EF, CF, V(GM MIC 1~4.76 micro gram/ml) and CT(GM MIC 1 UFL unit/ml). In gram positive rods(13 strains), they were highly sensitive to EF, CF, G(GM MIC_0.19~1 micro gram/ml). In Pseudomonas aeruginosa(1 strain), it was highly sensitive to AX, EF, ET, CF(GM MIC 0.06~1 micro gram/ml) and CT(GM MIC 1 UFL unit/ml). All isolates weren't sensitive to AP(GM MIC 16~32 micro gram/ml).
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