Microbiological and physicochemical properties of farm bulk tank milk and antimicrobial resistance of its dominant bacteria

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dc.authoridÖzdikmenli Tepeli, Seda / 0000-0002-1613-5917
dc.authoridDemirel Zorba, Nükhet Nilufer / 0000-0001-6851-6474
dc.authoridZorba, Murat / 0000-0003-3763-3453
dc.authoridBilgücü, Ertuğrul / 0000-0002-7265-5351
dc.contributor.authorÖzdikmenli Tepeli, Seda
dc.contributor.authorZorba, Murat
dc.contributor.authorYalman, Musa
dc.contributor.authorBilgücü, Ertuğrul
dc.contributor.authorDemirel Zorba, Nükhet Nilufer
dc.date.accessioned2025-01-27T20:59:46Z
dc.date.available2025-01-27T20:59:46Z
dc.date.issued2023
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractThis study determined the antibiotic resistance of the dominant bacteria in the 85 farm BTMs according to the guidelines recommended by the epidemiological cutoff values in the EUCAST. In addition, some physicochemical and microbiological properties of farm BTMs were investigated. The milk samples were divided into two groups according to their SCC values. The milk samples with higher SCC than 400,000 cells mL−1 were further examined bacteriologically, and the antibiotic resistance of isolates was determined. The average TAMB value was 6.34 log CFU/mL in farm BTM. It was found that high-SCC values did not affect other physicochemical properties of BTM samples, such as fat, protein and total solids, except for lactose content. Seventy-two strains were isolated from 45 bulk milk samples. The most prevalent bacteria were Enterococcus spp. (23.61%). The other isolates were Citrobacter spp. (12.5%), Staphylococcus spp. (12.51%), Serratia spp. (11.12%), Klebsiella spp. (9.72%), Bacillus spp. (9.72%), and Enterobacter spp. (8.33%). In antibiotic resistance analysis, 52.6% of Enterobacterales isolates showed cefoxitin resistance, and nine Enterobacterales isolates were determined as the presumptive ESBL producers. None of them was confirmed as ESBL producers. Moreover, MDR was detected in 83.3% of Enterobacter spp. isolates and all Bacillus spp. isolates. The over and inappropriate use of antibiotics in mastitis treatment may cause antibiotic-resistant microorganisms in milk. It was found that 52.7% of the isolated bacteria were MDR, which could pose a risk to public health and food safety, with the consumer's increasing interest in consuming raw milk.
dc.description.sponsorshipCanakkale Onsekiz Mart Universitesi [FBA-2015-650]
dc.description.sponsorshipCanakkale Onsekiz Mart Universitesi, Grant/Award Number: FBA-2015-650
dc.identifier.doi10.1111/jfs.13022
dc.identifier.issn0149-6085
dc.identifier.issn1745-4565
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85141405457
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1111/jfs.13022
dc.identifier.urihttps://hdl.handle.net/20.500.12428/26820
dc.identifier.volume43
dc.identifier.wosWOS:000875624800001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofJournal of Food Safety
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20250125
dc.subjectSomatic-Cell Count
dc.subjectSubclinical Mastitis
dc.subjectBovine-Milk
dc.subjectDairy Herds
dc.subjectQuality
dc.subjectPrevalence
dc.subjectTraits
dc.subjectCow
dc.titleMicrobiological and physicochemical properties of farm bulk tank milk and antimicrobial resistance of its dominant bacteria
dc.typeArticle

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