Table 3.

Antibacterial activity of enrofloxacin and ciprofloxacin against E. coli in vitro.

Drug	MIC (μg/mL) Broths and intestinal	MBC (μg/mL) Broths and intestinal	MPC (μg/mL) Broths	PAE
				Concentration (μg/mL)	Expose (1 h)	Expose (2 h)
ENR	0.25	0.5	7	MIC (0.25)	0.2 h	0.4 h
				2 MIC (0.5)	0.8 h	1.2 h
				4 MIC (1)	1.4 h	1.6 h
CIP	0.125	0.25	0.625	MIC (0.125)	0.2 h	0.4 h
				2 MIC (0.25)	0.8 h	1.4 h
				4 MIC (0.5)	1.5 h	1.6 h