Ribotype characterization and antimicrobial susceptibility profiles of Campylobacter coli isolates from swine
2003
Sheffield, C.L. | Hume, M.E. | Droleskey, R.E. | Harvey, R.B. | Bischoff, K.M.
Objective: To evaluate the genetic relatedness and antibiotic sensitivity profiles of Campylobacter coli isolates from sows and piglets housed in an integrated swine production facility. Sample Population: Ninety-nine isolates of Campylobacter coli were collected from 3 sows (Yorkshire-Landrace) and 18 piglets (Yorkshire-Landrace X Duroc or Hampshire) housed in a common farrowing barn. Procedure: When piglets were weaned (21 day of age) fecal samples were collected for the sows and rectal samples were collected from the piglets. Isolation of Campylobacter coli was performed using an enrichment broth and restrictive media under microaerophilic conditions. Results: The Campylobacter coli isolates segregated into 20 ribogroups and exhibited 32 antibiotic susceptibility profiles. The Ribogroup (224-373-S-5) contained 35 isolates from eleven animals. Thirty-eight percent of the animals exhibited a single ribogroup, while 10% of the animals exhibited four ribogroups. No discernible pattern of ribogroup relatedness was observed among the sows and piglets or among littermates. Conclusion: The data suggests a high level of diversity in both ribotypic patterns and antibiotic sensitivity profiles among the Campylobacter coli isolated from related pigs housed in a single facility. Further, no evidence was found for a direct transfer of specific Campylobacter coli ribotypes from a sow to her piglets.
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