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Specimens collected from various pyogenic lesions of dogs were culturally examined for staphylococci and all staphylococcal isolates obtained from the specimens were also tested for susceptibility to 14 antimicrobial agents. A total of 123 isolates of staphylococci were identified. Of these, 120 were Staphylococcus intermedius and 3 were S aureus. All isolates were susceptible to oxacillin, cefazolin, cephalothin and amikacin, whereas more than 85% of the isolates were resistant to ampicillin, penicillin G and tetracycline. S intermedius isolates could be divided into 8 different biotypes by biotyping with the most common type accounting for 66.7% of the isolates. One hundred and seventeen(97.5%) isolates could be also divided into 26 different antibiogram patterns. The predominant antibiogram type accounted for 34.2% of the isolates. Antibiogram typing was found to be effective in distinguishing epidemiologically related isolates of S intermedius.