Journal article
Antimicrobial resistance of non-typhoidal Salmonella isolates from egg layer flocks and egg shells
International Journal of Food Microbiology, Vol.203, pp.23-26
2015
Abstract
This study was conducted to examine the antimicrobial resistance (AMR) of Salmonella spp. isolated from commercial caged layer flocks in New South Wales and South Australia. All Salmonella isolates (n=145) were subjected to phenotypic and genotypic characterisation of AMR and carriage of integrons. The majority of Salmonella isolates (91.72%) were susceptible to all antimicrobials tested in this study. Limited resistance was observed to amoxicillin and ampicillin (5.51%), tetracycline (4.13%), cephalothin (2.06%) and trimethoprim (0.68%). None of the isolates were resistant to cefotaxime, ceftiofur, ciprofloxacin, chloramphenicol, gentamycin, neomycin or streptomycin. A low frequency of Salmonella isolates (4.83%) harboured antimicrobial resistance genes and a class 1 integron. The most commonly detected AMR genes among the Salmonella isolates were blaTEM (2.07%), tet A (1.38%) and dhfrV (0.69%). Overall, Salmonella enterica isolates exhibited a low frequency of AMR and represent a minimal public health risk associated with the emergence of multidrug resistant Salmonella spp. from the Australian layer industry.
Details
- Title
- Antimicrobial resistance of non-typhoidal Salmonella isolates from egg layer flocks and egg shells
- Authors/Creators
- V.V. Pande (Author/Creator)V.C. Gole (Author/Creator)A.R. McWhorter (Author/Creator)S. Abraham (Author/Creator)K.K. Chousalkar (Author/Creator)
- Publication Details
- International Journal of Food Microbiology, Vol.203, pp.23-26
- Publisher
- Elsevier
- Identifiers
- 991005543260707891
- Copyright
- © 2015 Published by Elsevier B.V.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 1 Clinical & Life Sciences
- 1.42 Bacteriology
- 1.42.376 Salmonella and Campylobacter
- Web Of Science research areas
- Food Science & Technology
- Microbiology
- ESI research areas
- Agricultural Sciences