Multiple antimicrobial resistant Salmonella enterica serovar Paratyphi B variant Java in cattle: A case report

S. J. Evans*, R. H. Davies, S. H. Binns, E. Liebana, T. W H Jones, M. F. Millar, E. J. Threlfall, L. R. Ward, K. L. Hopkins, P. H S Mackay, P. J R Gayford

*Corresponding author for this work

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Abstract

An epidemiological investigation of a calf rearing premises and a closely associated dairy herd was carried out after the isolation of Salmonella enterica serovar Paratyphi B variant Java phage type 3b variant 2 from clinically diseased calves on the premises. The isolate was resistant to ampicillin, chloramphenicol, streptomycin, sulphonamides, tetracyclines, trimethoprim and cefoperazone. The organism was widespread on the calf unit and was also recovered from the dairy premises, mainly from groups of weaned calves. The investigation was extended to 10 epidemiologically linked farms but no S Java was isolated from any of the 40 to 60 samples collected from each premises. Molecular studies showed that the S Java isolates were genetically most similar to isolates from cases of human disease associated with ornamental fish tanks or feed. Long PCR and resistance gene profiling identified a resistance island which was indistinguishable from the human 'fish tank' strain of S Java and animal and human epidemic strains of S Typhimurium DT104. The isolates were clearly distinguished from multi-resistant S Java strains commonly associated with continental poultry. This is the first report of S Java with this resistance pattern in Great Britain.

Original languageEnglish
Pages (from-to)343-346
Number of pages4
JournalVeterinary Record
Volume156
Issue number11
Publication statusPublished - 12 Mar 2005

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Evans, S. J., Davies, R. H., Binns, S. H., Liebana, E., Jones, T. W. H., Millar, M. F., Threlfall, E. J., Ward, L. R., Hopkins, K. L., Mackay, P. H. S., & Gayford, P. J. R. (2005). Multiple antimicrobial resistant Salmonella enterica serovar Paratyphi B variant Java in cattle: A case report. Veterinary Record, 156(11), 343-346.