TABLE 3.

Minimum inhibitory concentrations (μg/ml) of antibiotics against the test strains.

Antibiotic	Antibiotic sensitivity
	CACC517	CACC537	CACC558	CACC566
Amoxicillin	0.38	3	≥ 0.19	≥1.5
Ampicillin	0.25	2	≥ 0.094	≥1.5
Clindamycin	S	0.094	≥ 2	≥0.38
Erythromycin	0.032	48	≥ 1.5	≥0.25
Gentamicin	96	0.32	≥ 24	R
Imipenem	0.25	R	≥ 0.047	≥1.5
Kanamycin	R	R	R	R
Metronidazole	1	24	R	R
Tetracycline	0.38	R	≥ 16	≥1
Trimethoprim-sulfamethoxazole	4	0.75	R	R
Vancomycin	0.75	R	R	R

Quantitative antibiotic sensitivity is expressed as the minimum inhibitory concentration against the microbial strains and classified as R, resistant (≥32 and 256 μg/ml) or presented as values in bold (weakly tolerant) and regular font (sensitive to the antibiotic).