Antibiotics Resistance Genes Screening and Comparative Genomics Analysis of Commensal Escherichia coli Isolated from Poultry Farms between China and Sudan

Table 1

Class, concentration range, and resistant breakpoints of tested antibiotics.

Class or antibiotics	Dilution range tested; (g/mL)	Resistance breakpoint (g/mL)
Ampicillin	0.25-32	≥ 32
Tetracycline	1.0-32	≥ 16
Kanamycin	0.25-64	≥ 64
Ciprofloxacin	0.01-15	≥ 04
Erythromycin	0.25-8.0	≥ 08
Doxycycline	1.0-16	≥ 16
Cefotaxime	0.01-5.0	≥ 04
Spectinomycin	1.0-128	≥ 128
Gentamicin	0.25- 8.0	≥ 08
Streptomycin	1.0-128	≥ 128