Etlik Veteriner Mikrobiyoloji Dergisi
Yazarlar: Ufuk ÜLKER, M.ayşe DEMİREL
Konular:Veteriner Hekimlik
Anahtar Kelimeler:Antibiyogram,Koyun,Stafilokokus equorum
Özet: The uterus in sheep is more resistant to invasion of microorganisms after parturition and bacterial elimination can occur rapidly compared to other animal species. In spite of this feature of the uterus, the distocia, assisted delivery, stillbirth or the infection-induced abortions, uterine prolapse and unhygienic environmental conditions are predisposing factor for development of postpartum uterine infections in sheep. Many aerobic and anaerobic microorganisms related to uterine infection can be isolated in the postpartum period in sheep. The aim of this study was to determine bacteria spe- cies isolated from vaginal swab samples of 40 sheep on between 15-30 days postpartum and antibiotic susceptibilities of these bacteria. Swab samples taken under sterile conditions were delivered to Etlik Veterinary Control Central Research Institute Microbiology Laboratory under cold chain. After microbiological analysis, Escherichia coli in 27 samples (71.2%), Staphylococcus equorum in 6 samples (15.7%), and both E. coli and S. equorum in 5 samples (13.1%) were isolated and identified. Antimicrobial susceptibility was determined by disc diffusion method. According to the anti- biogram results, E. coli was resistant to antibiotics, including ampicillin, gentamicin, penicillin, streptomycin, sulphon- amide, neomycin, trimethoprim/sulfamethoxazole, lincomycin, spectinomycin, trimethoprim, enrofloxacin, nalidixic acid, ciprofloxacin and susceptible to ceftazidime which is fourth generation cephalosporin group. It was noted that S. equorum was susceptible to other antibiotics mentioned above, except nalidixic acid. Identification of vaginal bacteria and appropriate antibiotic selection in postpartum period in sheep is very important for the continuity of reproduction. In the present study, S. equorum was isolated for the first time in vaginal swab specimens in the postpartum period in sheep