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Zwenson, Johanna (2007) Antibiotikaresistens hos bakterier isolerade från friska hundar i Sverige. Other thesis, SLU.

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Objective: To determine the frequency of antimicrobial resistance in bacteria from healthy Swedish dogs and whether they are carriers of methicillinresistant Staphylococcus aureus (MRSA). Material: Samples from skin from the perineal region and from faeces collected in the anus with cottonswab (Copan) from 299 healthy Swedish dogs. Samples were collected at dog exhibitions. Method: Specimens were submitted for bacterial culture where bacteria (Escherichia coli, enterococci and staphylococci) were isolated and identified by current methods. Antimicrobial susceptibility testing was performed with a microdilution method where MIC-values were determined. Staphylococci with high degree of resistance were tested for presence of mecA-gene by PCR. Results: Looking at the whole material there were no difference in antimicrobial resistance compared with food-producing animals. No difference in resistance regarding age could be detected. Ampicillin and sulfametoxazole showed a higher degree of resistance in E. coli-isolates from dogs that had been treated with antibiotics during the last 12 months compared to non-treated dogs. One isolate of E. coli showed resistance against the third generation cephalosporines. A difference in species distribution was seen for enterococci between dogs, pigs and chickens. One methicillinresistant Staphylococcus intermedius (MRSI) was isolated which is the first isolate of this kind from a dog in Sweden. Compared with clinical S. intermedius-isolates from dogs there was a tendency of overall less resistance in the dogs in this study. On the other hand there was a tendency of a higher resistance compared to a small Swedish study performed ten years ago.

Item Type: Thesis (Other)
Keywords: Antimicrobial resistance, Dog, Healthy dog, cephalosporine, antibiotic, MRSA, MRSI, E. coli,
Subject (faculty): Faculty of Veterinary Medicine and Animal Science > Department of Biomedical Science and Veterinary Public Health
Divisions: SLU > Faculty of Veterinary Medicine and Animal Science
Depositing User: Johanna Zwenson
Date Deposited: 19 Jan 2007
Last Modified: 18 Aug 2015 09:47
URI: http://ex-epsilon.slu.se/id/eprint/1436

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