Molecular screening and characterization of shiga toxin-producing escherichia coli by multiplex pcr assays for stx1, stx2, eaea, h7 in raw milk

The presence of Shiga-toxin producing Escherichia coli (STEC) was evaluated in bulk milk from dairy cattle farms in Bulgaria. From 20 regional farms only 4 were selected as a source for milk sampling on the basis of their annual STEC shedding in feces. All the samples were PCR analyzed after selecti...

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Main Authors: Koycho KOEV, Georgi ZHELEV, Plamen MARUTSOV, Krasimira GOSPODINOVA, Vladimir PETROV, Todor STOYANCHEV
Format: Article
Language:English
Published: Kafkas University, Faculty of Veterinary Medicine 2018-12-01
Series:Kafkas Universitesi Veteriner Fakültesi Dergisi
Subjects:
Online Access:https://vetdergikafkas.org/pdf.php?id=2459
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author Koycho KOEV
Georgi ZHELEV
Plamen MARUTSOV
Krasimira GOSPODINOVA
Vladimir PETROV
Todor STOYANCHEV
author_facet Koycho KOEV
Georgi ZHELEV
Plamen MARUTSOV
Krasimira GOSPODINOVA
Vladimir PETROV
Todor STOYANCHEV
author_sort Koycho KOEV
collection DOAJ
description The presence of Shiga-toxin producing Escherichia coli (STEC) was evaluated in bulk milk from dairy cattle farms in Bulgaria. From 20 regional farms only 4 were selected as a source for milk sampling on the basis of their annual STEC shedding in feces. All the samples were PCR analyzed after selective enrichment. Positive samples were detected in subsequent molecular testing as: two of samples (9.08%) were positive for stx1, one sample (4.54%) for stx2, 10 samples (45.54%) for eae and 12 (54.54%) for H7 coding genes.
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spelling doaj.art-d5bbaf18e94d4357bc5f5784619610662023-06-19T06:34:42ZengKafkas University, Faculty of Veterinary MedicineKafkas Universitesi Veteriner Fakültesi Dergisi1309-22512018-12-0125227127510.9775/kvfd.2018.203732459Molecular screening and characterization of shiga toxin-producing escherichia coli by multiplex pcr assays for stx1, stx2, eaea, h7 in raw milkKoycho KOEV0Georgi ZHELEV1Plamen MARUTSOV2Krasimira GOSPODINOVA3Vladimir PETROV4Todor STOYANCHEV5Trakia University, Department of veterinary microbiology, infectious and parsitic diseases, Stara Zagora, BULGARIATrakia University, Department of veterinary microbiology, infectious and parsitic diseases, Stara Zagora, BULGARIATrakia University, Department of veterinary microbiology, infectious and parsitic diseases, Stara Zagora, BULGARIATrakia University, Department of veterinary microbiology, infectious and parsitic diseases, Stara Zagora, BULGARIATrakia University, Department of veterinary microbiology, infectious and parsitic diseases, Stara Zagora, BULGARIATrakia University, Department of Food Hygiene, Technology and Control, Veterinary Legislation and Management, Stara Zagora, BULGARIAThe presence of Shiga-toxin producing Escherichia coli (STEC) was evaluated in bulk milk from dairy cattle farms in Bulgaria. From 20 regional farms only 4 were selected as a source for milk sampling on the basis of their annual STEC shedding in feces. All the samples were PCR analyzed after selective enrichment. Positive samples were detected in subsequent molecular testing as: two of samples (9.08%) were positive for stx1, one sample (4.54%) for stx2, 10 samples (45.54%) for eae and 12 (54.54%) for H7 coding genes.https://vetdergikafkas.org/pdf.php?id=2459escherichia coli o157: н7dairy farmsbulk milkenrichmentpcr
spellingShingle Koycho KOEV
Georgi ZHELEV
Plamen MARUTSOV
Krasimira GOSPODINOVA
Vladimir PETROV
Todor STOYANCHEV
Molecular screening and characterization of shiga toxin-producing escherichia coli by multiplex pcr assays for stx1, stx2, eaea, h7 in raw milk
Kafkas Universitesi Veteriner Fakültesi Dergisi
escherichia coli o157: н7
dairy farms
bulk milk
enrichment
pcr
title Molecular screening and characterization of shiga toxin-producing escherichia coli by multiplex pcr assays for stx1, stx2, eaea, h7 in raw milk
title_full Molecular screening and characterization of shiga toxin-producing escherichia coli by multiplex pcr assays for stx1, stx2, eaea, h7 in raw milk
title_fullStr Molecular screening and characterization of shiga toxin-producing escherichia coli by multiplex pcr assays for stx1, stx2, eaea, h7 in raw milk
title_full_unstemmed Molecular screening and characterization of shiga toxin-producing escherichia coli by multiplex pcr assays for stx1, stx2, eaea, h7 in raw milk
title_short Molecular screening and characterization of shiga toxin-producing escherichia coli by multiplex pcr assays for stx1, stx2, eaea, h7 in raw milk
title_sort molecular screening and characterization of shiga toxin producing escherichia coli by multiplex pcr assays for stx1 stx2 eaea h7 in raw milk
topic escherichia coli o157: н7
dairy farms
bulk milk
enrichment
pcr
url https://vetdergikafkas.org/pdf.php?id=2459
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