Diagnosis of Corynebacterium pseudotuberculosis from Skin Abscesses of Sheep and Lambs

Abstract

In Balıkesir province, where sheep farming is commonly practiced, infections caused by Corynebacterium pseudotuberculosis (C. pseudotuberculosis) are frequently observed, particularly in sheep after shearing. This study was conducted to investigate the presence of C. pseudotuberculosis in cases of lymphadenitis in sheep in Balıkesir province. Following the cultivation of swab samples (n:4), all materials from which colonies grew were identified as C. pseudotuberculosis based on macroscopic, microscopic, and biochemical tests. In the disk diffusion test determining antibiotic susceptibility, all isolated strains were sensitive to tylosin, ciprofloxacin, tetracycline, and clindamycin. Treatment of abscesses in sheep with tylosin resulted in healing. In conclusion, this study provided information about the presence and diagnosis of C. pseudotuberculosis in the lymph nodes of sheep in Balıkesir province. These findings were thought to help understanding the epidemiological presence, spread, and control of C. pseudotuberculosis infections in Balıkesir province, and in taking measures to reduce the economic losses associated with the disease.

Keywords

• Abscess
• Corynebacterium pseudotuberculosis
• Lamb
• Sheep
• Skin

Koyun ve Kuzuların Deri Apselerinden Corynebacterium pseudotuberculosis’in Teşhisi

Abstract

Koyun yetiştiriciliğinin yoğun olarak yapıldığı bir il olan Balıkesir’de, özellikle kırkım sonrası koyunlarda Corynebacterium pseudotuberculosis (C. pseudotuberculosis) kaynaklı enfeksiyonlara rastlanabilmektedir. Bu çalışma, Balıkesir ilinde koyunlarda meydana gelen lenfadenitis vakalarında C. pseudotuberculosis varlığını araştırmak amacıyla yapıldı. Svap materyallerinin ekimleri sonucunda üreyen kolonilerden (n=4) yapılan makroskobik, mikroskobik ve biyokimyasal testler sonucunda üreme görülen tüm materyallerden C. pseudotuberculosis identifiye edildi. Antibiyotik duyarlılıklarının belirlendiği disk difüzyon testinde tüm izolatlar tilmikosin, siprofloksasin, tetrasiklin ve klindamisine duyarlı bulundu. Koyunlara uygulanan apse ve tilmikosin ile uzun etkili amoksisilin sağaltımıyla tedavisi ile apselerin iyileştiği görüldü. Sonuç olarak, bu çalışma, Balıkesir ilinde koyunların lenf düğümleri apselerinde C. pseudotuberculosis'in varlığı ve teşhisi hakkında bilgi sağlamıştır. Bu bulgular, Balıkesir ilinde C. pseudotuberculosis enfeksiyonunun epidemiyolojik açıdan varlığı, yayılması ve kontrol ve korunması ile hastalığa ait ekonomik kayıplarının azaltılmasına yönelik önlemlerin alınmasına yardımcı olabileceği düşünüldü.

Keywords

• apse
• Corynebacterium pseudotuberculosis
• deri
• koyun
• kuzu

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