A total of 51 Salmonella strains isolated from mice during the period of April 1986 to March 1987 were tested for resistance to thirteen antimicrobial drugs by disc diffusion method. All strains tested were those Identified as Salmonella enteritidis by means of biochemical and serological tests. All strains were resistant to erythromycin.
The percentage of strains resistant to penicillin, tetracycline carbenicillin and neomycin were 96.1, 68.6, 62.8 and 43.1 percent, respectively. Resistance rate of ampicillin, cephalothin, colistin and kanamycin was all 2.0 percent. Almost all strains were susceptible to amikacin, chloramphenicol, gentamycin and tobramycin.
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