Journals / Fırat Üniversitesi Sağlık Bilimleri Veteriner Dergisi / 2021 / Cilt: 35 - Sayı: 3

Determination of Antimicrobial Susceptibility of Coagulase Negative Staphylococci Strains Isolated from Bovine Milk in Van Province

Van ve Yöresinde Sığır Sütlerinden İzole Edilen Koagulaz Negatif Stafilokokların Bazı Antimikrobiyal Maddelere KarşıDuyarlılığının Belirlenmesi

Pages
172–177
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

It was concluded thatthe use of beta-lactam group antibiotics should be re-considered in the treatment of infectionscaused by these bacterial agents.

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, the antimicrobial susceptibility of coagulase negative Staphylococcus spp. strainsisolated from milk samples collected from cows with mastitis in dairy cattle farms in Van provincewere investigated.
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Key Findings & Data:Although the highest rate of penicillin (34.61%) and cefoxitin (20.19%) resistance wasfound in isolates, all isolates were found to be susceptible to trimethoprim+sulfamethoxazole.Multidrug resistance was found in a limited number (4.81%) in the isolates examined in the study.As a result, it was determined that resistance to beta-lactam group antibiotics was higher incoagulase negative Staphylococcus spp. isolates, which can be found in the natural flora as well asfrequently isolated from mastitis cases, compared to other antibiotic groups.
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Conclusion & Impact:It was concluded thatthe use of beta-lactam group antibiotics should be re-considered in the treatment of infectionscaused by these bacterial agents.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In this study, the antimicrobial susceptibility of coagulase negative Staphylococcus spp. strainsisolated from milk samples collected from cows with mastitis in dairy cattle farms in Van provincewere investigated. Identification of the isolates at the species level was determined by conventionalbacteriological methods, and antimicrobial susceptibility was determined by disc diffusion method.In the study, it was determined that the most isolated coagulase-negative staphylococcus (CNS)strain was Staphylococcus vitulinus, followed by S. epidermidis, S. xylosus and S. warneri isolates,respectively. Although the highest rate of penicillin (34.61%) and cefoxitin (20.19%) resistance wasfound in isolates, all isolates were found to be susceptible to trimethoprim+sulfamethoxazole.Multidrug resistance was found in a limited number (4.81%) in the isolates examined in the study.As a result, it was determined that resistance to beta-lactam group antibiotics was higher incoagulase negative Staphylococcus spp. isolates, which can be found in the natural flora as well asfrequently isolated from mastitis cases, compared to other antibiotic groups. It was concluded thatthe use of beta-lactam group antibiotics should be re-considered in the treatment of infectionscaused by these bacterial agents.

Özet

Bu çalışmada, Van ve yöresinde süt sığırı işletmelerindeki mastitis şüpheli vakalardan alınan sütörneklerinden izole edilen koagulaz negatif Staphylococcus spp. suşlarının bazı antimikrobiyalmaddelere karşı duyarlılıkları araştırıldı. İzolatların tür düzeyinde identifikasyonları konvansiyonelbakteriyolojik yöntemlerle, antimikrobiyal duyarlılıkları ise disk difüzyon yöntemiyle belirlendi.Çalışmada en yüksek oranda izole edilen koagulaz negatif stafilokok (KNS) türününStaphylococcus vitulinus olduğu ve bunu sırasıyla S. epidermidis, S. xylosus ve S. warneri izolatlarının izlediği belirlendi. İzolatlarda en yüksek oranda penisilin (%34.61) ve sefoksitin(%20.19) direnci tespit edilmekle birlikte, izolatların tamamı trimetoprim+ sulfametoksazole duyarlıbulundu. Araştırmada incelenen izolatlarda çoklu antibiyotik direncinin de sınırlı sayıda (%4.81)olduğu görüldü. Sonuç olarak, doğal florada bulunabildiği gibi mastitis vakalarından da sıklıkla izoleedilen koagulaz negatif Staphylococcus spp. izolatlarında beta-laktam grubu antibiyotiklere karşıdirencin, diğer antibiyotik gruplarına göre daha yüksek olduğu belirlendi. Söz konusu etkenlerinneden olduğu enfeksiyonların tedavisinde beta-laktam grubu antibiyotiklerin kullanımına dikkatedilmesi gerektiği kanaatine varıldı.

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Cite This Article

GÜLAYDIN, Ö., GÜRTÜRK, K., EKİN, İ. H., KAPLAN, B. (2022). Determination of Antimicrobial Susceptibility of Coagulase Negative Staphylococci Strains Isolated from Bovine Milk in Van Province. Fırat Üniversitesi Sağlık Bilimleri Veteriner Dergisi, Cilt: 35 - Sayı: 3, 172–177. https://ajindex.com/articles/514830

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