Multiple-antibiotic resistance of Enterococcus spp. isolated from commercial poultry production environment

Article Abstract:

A population of Enterococcus spp. from the poultry production environment on the eastern seaboard of the United States was characterized and studied for the occurrence of coresistance among antimicrobials employed in agriculture and in human medicine. Results reveal that Enterococcus spp. from poultry production and processing operations in the United States are frequently resistant to multiple antimicrobials and that some of these patterns may very well reflect the use of approved antimicrobials in poultry production.

United States, Drug resistance in microorganisms, Microbial drug resistance

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Plasmid replicon typing of commensal and pathogenic Escherichia coli isolates

Article Abstract:

A multiplex PCR replicon typing protocol is developed for the classifications of plasmids occurring in members of the Enterobacteriaceae isolates, which are obtained from avian and human hosts and also retail poultry meat. The results have shown that Escherichia coli isolates contaminating retail poultry are similar to avian pathogenic Escherichia coli (APEC) with respect to plasmid profiles, containing multiple plasmid replicon types in conjunction with colicin-related genes.

Analysis, Escherichia coli, Plasmids, Polymerase chain reaction, Hybridization

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Prevalence and antimicrobial resistance of Enterococcus species isolated from retail meats

Article Abstract:

The results of a pilot survelliance project undertaken in Iowa to determine the prevalence and antimicrobial resistance profiles on enterococci in retail meats are reported. These results indicate that Enterococcus spp. commonly contaminate retail meats and that dissimilarities in antimicrobial patterns among enterococci recovered from different meat types may reflect the use of approved antimicrobial agents in each food animal production class.

Antimicrobial additives

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