Proceedings: Antibiotic resistance in coliforms from animal feeding stuffs.

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Proceedings: Antibiotic resistance in coliforms from animal feeding stuffs.

D. H. M. JOYNSON AND C. H. L. HOWELLS (Public Health Laboratory, University Hospital of Wales, Cardiff) Samples of animal feeding stuffs were examined for the presence of Gram-negative, lactosefermenting organisms (hereafter called coliforms) and the antibiotic resistance of any strain isolated was determined. Coliforms were found in 13% of all the feeds examined and of these organisms 64-4% we...

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Virulence factors and antibiotic resistance in enterococci isolated from food-stuffs

A collection of 250 enterococci isolated from various food-stuffs were used to investigate seven virulence determinants and the microbial susceptibility of eight antibiotics. Species-specific PCR revealed the presence of E. faecalis (127 isolates), E. faecium (77 isolates), E. casseliflavus (21 isolates), E. mundtii (19 isolates) and E. durans (six isolates). Multiplex PCR for virulence factors...

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Antibiotic resistance pattern of Shiga-toxigenic Escherichia coli isolated from ready-to-eat food stuffs

Shiga toxigenic Escherichia coli are the most important causes of food-borne diseases due to the consumption of contaminated ready to eat foods. The present investigation was done to study the prevalence rate and antibiotic resistance pattern of STEC strains recovered from various types of ready to eat foods. Seven-hundred and twenty various types of food samples were collected and cultured. Is...

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Effect of age and housing location on antibiotic resistance of fecal coliforms from pigs in a non-antibiotic-exposed herd.

The relationship of age and housing location to single antibiotic resistance, multiple antibiotic resistance, and resistance patterns of fecal coliforms obtained during a 20-month period from pigs in a herd that was not exposed to antibiotics for 126 months was determined. Bacteria resistant to single and multiple antibiotics were isolated more frequently (P less than 0.01) from pigs under 7 mo...

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The effect of bambermycin, carbadox, chlortetracycline and olaquindox on antibiotic resistance in intestinal coliforms: a new animal model.

Groups of germ-free mice kept in isolators and associated with faecal microflora from piglets were continuously given either water or a solution of one of the following: chlortetracycline (20 micrograms/ml), carbadox (50 micrograms/ml), olaquindox (50 micrograms/ml), bambermycin (flavomycin) (5 micrograms/ml) or mixtures of these drugs. The proportions of lactose-fermenting bacteria in their fa...

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ژورنال

عنوان ژورنال: Journal of Clinical Pathology

سال: 1974

ISSN: 0021-9746

DOI: 10.1136/jcp.27.11.931-a