Antimicrobial resistance of Staphylococcus aureus strains isolated from cow raw milk samples from Albania and Serbia

This research aimed to determine the prevalence rate of antimicrobial resistance (AMR) of Staphylococcus aureus isolated from raw cow milk samples in Albania and Serbia. A total of 100 raw milk samples, 50 from Albania and 50 from Serbia, have been collected from randomly selected cattle farms. Twel...

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Main Authors: Erinda Lika, Milovan Rosić, Sonila Cocoli, Nikola Puvača, Gorica Vuković, Tana Shtylla Kika, Vojislava Bursić
Format: Article
Language:English
Published: Croatian Dairy Union 2021-01-01
Series:Mljekarstvo
Subjects:
Online Access:https://hrcak.srce.hr/file/396606
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author Erinda Lika
Milovan Rosić
Sonila Cocoli
Nikola Puvača
Gorica Vuković
Tana Shtylla Kika
Vojislava Bursić
author_facet Erinda Lika
Milovan Rosić
Sonila Cocoli
Nikola Puvača
Gorica Vuković
Tana Shtylla Kika
Vojislava Bursić
author_sort Erinda Lika
collection DOAJ
description This research aimed to determine the prevalence rate of antimicrobial resistance (AMR) of Staphylococcus aureus isolated from raw cow milk samples in Albania and Serbia. A total of 100 raw milk samples, 50 from Albania and 50 from Serbia, have been collected from randomly selected cattle farms. Twelve samples (12%) were positive for S. aureus, five of those originating from Albania (41.66%) and seven from Serbia (58.33%). Resistance of isolated S. aureus strains to ampicillin in milk samples from Albania (36.7%) and Serbia (34.1%) was the most common. Some of S. aureus strains from milk samples from Albania were resistant to tetracycline (16.9%), while isolates from milk samples from Serbia were more resistant towards oxacillin (18%). The recorded resistance towards erythromycin (13.2%; 13.1%), and sulfatrim (7.6%; 6.9%) was similar between both milk samples, respectively. The obtained results have shown higher resistance of S. aureus strains towards cephalothin in milk samples from Serbia (3.9%) compared to milk samples from Albania (1.6%), respectively. All isolates tested for antibiotic sensitivity were susceptible to methicillin, vancomycin, chloramphenicol, and ciprofloxacin. The obtained results regarding the minimum inhibitory concentrations (MICs) of antibiotics indicated that isolates were resistant to tetracycline, oxacillin, erythromycin, and ampicillin, respectively. Results of our investigation have shown that the found antibiotics residues are related to the usage of erythromycin (72.6% and 73.9%), followed by ampicillin (70.4% and 71.2%) while residues of ciprofloxacin in the analysed milk samples was not registered.
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spelling doaj-art-ea90cf4eec6249b8984b0f9f0eef98152025-08-20T03:20:39ZengCroatian Dairy UnionMljekarstvo0026-704X1846-40252021-01-01714248256Antimicrobial resistance of Staphylococcus aureus strains isolated from cow raw milk samples from Albania and SerbiaErinda Lika0Milovan Rosić1Sonila Cocoli2Nikola Puvača3Gorica Vuković4Tana Shtylla Kika5Vojislava Bursić6Agricultural University of Tirana, Faculty of Veterinary Medicine, Koder Kamez, 1029 Tirana, AlbaniaMinistry of Health of the Republic of Serbia, Kovačevića 7, 34000 Kragujevac, SerbiaAgricultural University of Tirana, Faculty of Veterinary Medicine, Koder Kamez, 1029 Tirana, AlbaniaUniversity Business Academy, Faculty of Economics and Engineering Management, Department of Engineering Management in Biotechnology, Cvećarska 2, 21000 Novi Sad, SerbiaUniversity of Belgrade, Faculty of Agriculture, Nemanjina 6, 11080 Zemun, SerbiaAgricultural University of Tirana, Faculty of Veterinary Medicine, Koder Kamez, 1029 Tirana, AlbaniaUniversity of Novi Sad, Faculty of Agriculture, Trg Dositeja Obradovića 8, 21000 Novi Sad, SerbiaThis research aimed to determine the prevalence rate of antimicrobial resistance (AMR) of Staphylococcus aureus isolated from raw cow milk samples in Albania and Serbia. A total of 100 raw milk samples, 50 from Albania and 50 from Serbia, have been collected from randomly selected cattle farms. Twelve samples (12%) were positive for S. aureus, five of those originating from Albania (41.66%) and seven from Serbia (58.33%). Resistance of isolated S. aureus strains to ampicillin in milk samples from Albania (36.7%) and Serbia (34.1%) was the most common. Some of S. aureus strains from milk samples from Albania were resistant to tetracycline (16.9%), while isolates from milk samples from Serbia were more resistant towards oxacillin (18%). The recorded resistance towards erythromycin (13.2%; 13.1%), and sulfatrim (7.6%; 6.9%) was similar between both milk samples, respectively. The obtained results have shown higher resistance of S. aureus strains towards cephalothin in milk samples from Serbia (3.9%) compared to milk samples from Albania (1.6%), respectively. All isolates tested for antibiotic sensitivity were susceptible to methicillin, vancomycin, chloramphenicol, and ciprofloxacin. The obtained results regarding the minimum inhibitory concentrations (MICs) of antibiotics indicated that isolates were resistant to tetracycline, oxacillin, erythromycin, and ampicillin, respectively. Results of our investigation have shown that the found antibiotics residues are related to the usage of erythromycin (72.6% and 73.9%), followed by ampicillin (70.4% and 71.2%) while residues of ciprofloxacin in the analysed milk samples was not registered.https://hrcak.srce.hr/file/396606milkmilk safetyAMRantibioticsS. aureus
spellingShingle Erinda Lika
Milovan Rosić
Sonila Cocoli
Nikola Puvača
Gorica Vuković
Tana Shtylla Kika
Vojislava Bursić
Antimicrobial resistance of Staphylococcus aureus strains isolated from cow raw milk samples from Albania and Serbia
Mljekarstvo
milk
milk safety
AMR
antibiotics
S. aureus
title Antimicrobial resistance of Staphylococcus aureus strains isolated from cow raw milk samples from Albania and Serbia
title_full Antimicrobial resistance of Staphylococcus aureus strains isolated from cow raw milk samples from Albania and Serbia
title_fullStr Antimicrobial resistance of Staphylococcus aureus strains isolated from cow raw milk samples from Albania and Serbia
title_full_unstemmed Antimicrobial resistance of Staphylococcus aureus strains isolated from cow raw milk samples from Albania and Serbia
title_short Antimicrobial resistance of Staphylococcus aureus strains isolated from cow raw milk samples from Albania and Serbia
title_sort antimicrobial resistance of staphylococcus aureus strains isolated from cow raw milk samples from albania and serbia
topic milk
milk safety
AMR
antibiotics
S. aureus
url https://hrcak.srce.hr/file/396606
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AT milovanrosic antimicrobialresistanceofstaphylococcusaureusstrainsisolatedfromcowrawmilksamplesfromalbaniaandserbia
AT sonilacocoli antimicrobialresistanceofstaphylococcusaureusstrainsisolatedfromcowrawmilksamplesfromalbaniaandserbia
AT nikolapuvaca antimicrobialresistanceofstaphylococcusaureusstrainsisolatedfromcowrawmilksamplesfromalbaniaandserbia
AT goricavukovic antimicrobialresistanceofstaphylococcusaureusstrainsisolatedfromcowrawmilksamplesfromalbaniaandserbia
AT tanashtyllakika antimicrobialresistanceofstaphylococcusaureusstrainsisolatedfromcowrawmilksamplesfromalbaniaandserbia
AT vojislavabursic antimicrobialresistanceofstaphylococcusaureusstrainsisolatedfromcowrawmilksamplesfromalbaniaandserbia