[Bacterial resistance in bacteria isolated from the nasal cavity of Swiss dairy calves].

Pipoz, Florence; Perreten, Vincent; Meylan, Mireille (2016). [Bacterial resistance in bacteria isolated from the nasal cavity of Swiss dairy calves]. Schweizer Archiv für Tierheilkunde, 158(6), pp. 397-403. Gesellschaft Schweizer Tierärztinnen und Tierärzte 10.17236/sat00065

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Fifty-six E. coli, 37 P. multocida und 8 M. haemolytica were isolated from 157 nasal swabs taken from calves in 52 dairy herds. The antibiotic susceptibility of the organisms was determined by measurement of the minimal inhibitory concentrations. Of the 56 E. coli isolates, 55.3% exhibited resistance to tetracyclines, 55.3% to sulfonamides, 39.3% to beta-lactams, 30.3% to aminoglycosides, 8.9% to fluorochinolones and 3.5% to 3rd generation cephalosporins. The 3rd generation cephalosporin- resistant isolates contained the extended spectrum-beta-lactamase gene blaCTX-M-14 and came from 2 farms where the milk of cows under antimicrobial treatment was fed to the calves and mastitis was treated with cefquinome as first line therapy. Of the 37 P. multocida isolates, 48.6% exhibited resistance to tetracyclines, 16.2% to beta-lactams, and 5.4% each to macrolides, aminoglycosides and sulfonamides. The 8 M. haemolytica isolates showed no resistances against the tested antibiotics.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Research Foci > Veterinary Public Health / Herd Health Management
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV)
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > Clinic for Ruminants
05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP)
05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP) > Institute of Veterinary Bacteriology

UniBE Contributor:

Pipoz, Florence; Perreten, Vincent and Meylan, Mireille

Subjects:

600 Technology > 610 Medicine & health
600 Technology > 630 Agriculture

ISSN:

0036-7281

Publisher:

Gesellschaft Schweizer Tierärztinnen und Tierärzte

Language:

German

Submitter:

Daniela Fasel

Date Deposited:

07 Nov 2016 11:00

Last Modified:

09 Nov 2018 08:27

Publisher DOI:

10.17236/sat00065

PubMed ID:

27504835

Uncontrolled Keywords:

Antibiotika; E. coli; Pasteurellaceae; Resistenzen; Schweiz; Switzerland; antibiotics; resistance

BORIS DOI:

10.7892/boris.89369

URI:

https://boris.unibe.ch/id/eprint/89369

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