INVITRO SUSCEPTIBILITY OF ESCHERICHIA-COLI OF SWINE ORIGIN TO CARBADOX AND OTHER ANTIMICROBIALS

  • 1 January 1984
    • journal article
    • research article
    • Vol. 45  (2) , 252-254
Abstract
Swine fecal E. coli isolates were tested with the microtiter broth dilution method for susceptibility to carbadox and 11 other antimicrobials. Of the 138 strains, 136 were resistant to sulfadiazine, 120 to tetracycline, 95 to streptomycin and 63 to carbadox. Resistance to the remaining antimicrobials was also noted in various degrees, with the exception of amikacin, to which all strains were susceptible. Carbadox-resistant strains were also resistant to other antimicrobials. The multiple resistance pattern was most common to sulfadiazine and tetracycline or a combination of sulfadiazine, tetracycline and streptomycin. [Other antibiotics tested were chloramphenicol, gentamicin, kanamycin, ampicillin, carbenicillin and cephalothin.].

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