Table 4 Number of resistant Lactobacillus strains determined on the basis of MIC breakpoints established for the antibiotics
From: Identification and antibiotic susceptibility of lactobacilli isolated from turkeys
Number of strains | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
do not showing any resistance | resistant to one drug only | with multidrug resistancea | displayed resistance against | ||||||||||
ampicillin (MIC≥2 or 4 or 8 μg/ml) | tetracycline (MIC≥8 or 16 or 32 μg/ml) | erythromycin (MIC≥2 μg/ml) | lincomycin (MIC≥64 μg/ml) | streptomycin (MIC≥32 or 128 μg/ml) | gentamycin (MIC≥32 μg/ml) | chloramphenicol (MIC≥8 μg/ml) | enrofloxacin (MIC≥64 μg/ml) | erythromycin and lincomycin | streptomycin and gentamycin | ||||
L. salivarius (n=22) | 0 | 2 (9%) | 15 (68%) | 10 (45%) | 13 (59%) | 9 (41%) | 14 (64%) | 11 (50%) | 1 (4.5%) | 9 (41%) | 20 (91%) | 9 (41%) | 1 (4.5%) |
L. agilis (n=2) | 0 | 0 | 2 (100%) | 0 | 2 (100%) | 1 (50%) | 1 (50%) | 2 (100%) | 0 | 0 | 1 (50%) | 1 (50%) | 0 |
L. saerimneri (n=3) | 0 | 0 | 1 (67%) | 3 (100%) | 0 | 0 | 0 | 3 (100%) | 3 (100%) | 1 (33%) | 0 | 0 | 3 (100%) |
L. johnsoni (n=6) | 0 | 1 (17%) | 3 (50%) | 1 (17%) | 5 (83%) | 2 (33%) | 5 (83%) | 0 | 0 | 1 (17%) | 2 (33%) | 1 (17%) | 0 |
L. crispatus (n=13) | 0 | 0 | 10 (77%) | 9 (69%) | 11 (85%) | 7 (54%) | 8 (61.5%) | 3 (23%) | 2 (15%) | 1 (8%) | 13 (100%) | 7 (38%) | 0 |
L. oris (n=5) | 0 | 1 (20%) | 4 (80%) | 4 (80%) | 4 (80%) | 4 (80%) | 5 (100%) | 0 | 0 | 1 (20%) | 1 (20%) | 4 (80%) | 0 |
L. ingluviei (n=9) | 3 (33%) | 0 | 5 (55.5%) | 2 (22%) | 6 (67%) | 5 (55.5%) | 5 (55.5%) | 0 | 0 | 5 (55.5%) | 0 | 5 (55.5%) | 0 |
L. reuteri (n=2) | 0 | 1 (50%) | 0 | 0 | 1 (50%) | 0 | 2 (100%) | 0 | 0 | 0 | 0 | 0 | 0 |
Total: 62 | 3 (5%) | 5 (8%) | 40 (64.5%) | 29 (47%) | 42 (68%) | 28 (45%) | 40 (64.5%) | 19 (31%) | 6 (10%) | 18 (29%) | 37 (60%) | 27 (43.5%) | 4 (6%) |