Skip to main content

Table 5 Antibiotic susceptibility of 174 B. cereus strains isolated from foodstuffs in Tunisia

From: Toxigenic potential and antimicrobial susceptibility of Bacillus cereus group bacteria isolated from Tunisian foodstuffs

Antibiotics Conc. (μg/disc) No. of strains (%)
Resistant Intermediate Susceptible
Rifampicin 5 0 0 174 (100)
Erythromycin 15 2 (1.2) 6 (3.4) 166 (95.4)
Chloramphenicol 30 0 0 174 (100)
Novobiocin 30 153 (88) 13 (7.5) 8 (4.5)
Ampicillin 10 158 (90.8) 11 (6.3) 5 (2.9)
Ciprofloxacin 5 0 0 174 (100)
Streptomycin 10 2 (1.1) 0 172 (98.9)
Gentamycin 10 0 0 174 (100)
Vancomycin 30 7 (4) 7 (4) 160 (92)
Kanamycin 30 0 6 (3.4) 168 (96.6)
Tetracycline 30 10 (5.7) 16 (9.2) 148 (85.1)