TABLE 2.

Susceptibility of supplementary control strains^a

Strain	Pradofloxacin		Enrofloxacin		Marbofloxacin		Ciprofloxacin
	MIC (μg/ml)	MPC (μg/ml)	MIC (μg/ml)	MPC (μg/ml)	MIC (μg/ml)	MPC (μg/ml)	MIC (μg/ml)	MPC (μg/ml)
E. coli
ATCC 25922	0.008-0.015	0.075-0.1	0.015-0.03	0.15-0.175	0.015-0.03	0.2-0.25	0.008-0.015	0.1-0.15
DSM 10650	≤0.008	0.075-0.1	≤0.008	0.125-0.15	0.008-0.015	0.175-0.2	≤0.008	ND
WT	0.015-0.03	0.125-0.15	0.03-0.06	0.4-0.5	0.03	0.5	0.015-0.03	0.3
S. aureus DSM 11823	0.06	0.2-0.25	0.125-0.25	1	0.5	ND	0.25-0.5	ND
S. intermedius ATCC 29663	0.03	0.15	0.06-0.125	2-2.5	0.25	ND	0.125	ND

^aMICs were determined in three to five experiments; the more frequent result is printed in bold. ND, not determined.