Table 1.

E-760 MICs of the in vivo-selected BCN^r C. jejuni isolates and their isogenic cmeB mutants

Strain	E-760 MIC (mg/L)a	E-760 MIC of isogenic cmeB mutant(mg/L)
C. jejuni NCTC 11168	0.5	0.125
E-760r mutants selected in vivo	2 (3)	0.125
	4 (4)	0.125
	8 (10)	0.125

^aNumbers in parentheses indicate the total number of isolates corresponding to each MIC.