Journals / Erciyes Üniversitesi Veteriner Fakültesi Dergisi / 2014 / Cilt: 11 - Sayı: 1

The Studies on Isolation of Escherichia coli O157 from Poultry

Kanatlılardan Escherichia coli O157 İzolasyonu Üzerine Çalışmalar

Pages
1–6
Publication Date
2022-10-18
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The results showed that poultry and their poultry meat samples collected in this study did not carry E.coli O157 in Kayseri and the investigation of greater number of poultry originated samples from different locations for E.coli O157 is suggested

📌 3 Key Takeaways

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Objective & Hypothesis:In this study, the determination of Escherichia coli O157 prevalence in different poultry originated materials was aimed.
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Key Findings & Data:For this purpose, 400 meat samples and 400 intestinal contents of Broilers grown in Kayseri, 400 stool samples of laying hens and 80 swap samples taken from various poultry processing units (boiling tank water, walls and removing unit of intestinal organs) were evaluated in this study.
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Conclusion & Impact:The results showed that poultry and their poultry meat samples collected in this study did not carry E.coli O157 in Kayseri and the investigation of greater number of poultry originated samples from different locations for E.coli O157 is suggested
🔬Design:Research Article
📍Scope:2010 · 1280 samples
⚙️Variables:Broiler · Esherichia coli O157 · immunomanyetik separasyon

Abstract

In this study, the determination of Escherichia coli O157 prevalence in different poultry originated materials was aimed. For this purpose, 400 meat samples and 400 intestinal contents of Broilers grown in Kayseri, 400 stool samples of laying hens and 80 swap samples taken from various poultry processing units (boiling tank water, walls and removing unit of intestinal organs) were evaluated in this study. The materials were taken between March 2010 and February 2011 with three month intervals (each season). The isolation period was formed in phases including pre-enrichment of E.coli broth with novobiocin (20mg/L), immunomagnetic separation, and seeding on SMAC (MacConkey with sorbitol) and CHROM agar. Considering the colonies appeared on SMAC and CHROM agar, 116 of 1280 samples were found to be E.coli O157 positive. The 334 colonies taken from 116 samples were investigated with phenotypic tests for E.coli and all of them were confirmed as E.coli. These isolates were subjected to latex agglutination test for E.coli O157 and in total 8 samples, 2 broiler stools and 6 poultry processing samples, were found positive. These 8 suspicious E.coli O157 strains were found E.coli O157 negative by Polymerase Chain Reaction. The results showed that poultry and their poultry meat samples collected in this study did not carry E.coli O157 in Kayseri and the investigation of greater number of poultry originated samples from different locations for E.coli O157 is suggested

Özet

Bu çalışmada kanatlı orijinli çeşitli materyallerde Esherichia coli O157 prevalansının saptanması amaçlandı. Bu amaçla 400 broiler et örneği, 400 broiler barsak içeriği, 400 yumurtacı tavuklara ait dışkı örneği ayrıca özel bir kanatlı mezbahanesinin farklı birimlerinden (haşlama tank suyu, duvar ve iç organ çıkarılma ünitesi) alınan 80 adet svap örneği çalışmaya dahil edildi. Materyaller Mart 2010 ile Şubat 2011 arasındaki bir yıl süresince 3 ay aralıklarla (her mevsim) alındı. E.coli O157’nin izolasyonu, novobiocin’li E.coli buyyonda ön zenginleştirme, bunu takiben immunomanyetik separasyon ile SMAC (Sorbitol MacConkey) ve CHROM agara ekim aşamalarından oluştu. Buna göre toplam 1280 örneğin SMAC ve CHROM agarda meydana getirdikleri koloniler göz önünde bulundurulduğunda 116’sı E.coli O157 yönünden pozitif olarak değerlendirildi. Yüz onaltı örnekten alınan 334 koloni fenotipik testler ile E.coli yönünden incelendi ve tümü E.coli olarak doğrulandı. Tüm izolatlar E.coli O157 açısından Lateks aglutinasyon testine tabi tutuldu ve 2 tanesi broiler dışkı ve 6 tanesi de tavuk kesimhane örnekleri olmak üzere 8’i pozitif bulundu. Bu 8 adet E.coli O157 şüpheli izolat, polimeraz zincir reaksiyonu testi ile E.coli O157 yönünden negatif bulundu. Elde edilen sonuçlar Kayseri yöresinde kanatlı hayvanların ve bunlara ait et örneklerinin E.coli O157 serotipini taşımadıklarını göstermekle beraber değişik lokalizasyonlarda daha fazla sayıda kanatlı orijinli örneğin bu bakteri yönünden incelenmesinin yararlı olacağını göstermektedir

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Cite This Article

ERTAŞ, N., ERDOĞDU, S., GÖNÜLALAN, Z., AYDIN, F., ABAY, S., HIZLISOY, H. (2022). The Studies on Isolation of Escherichia coli O157 from Poultry. Erciyes Üniversitesi Veteriner Fakültesi Dergisi, Cilt: 11 - Sayı: 1, 1–6. https://ajindex.com/articles/503917

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