Table 1.

Effect of 15 d PbrR-displayed E. coli treatment on mice. Liver index calculated as liver weight/body weight ×100%; kidney index calculated as kidney weight/body weight ×100%. Data were presented as mean values ± SEM (n = 10 per group). ND, not determined.

Groups	Water consumption (mL/d)	Food consumption (g/d)	Growth rate (g/d)	Liver index (%)	Kidney index (%)	Bacteria in blood (CFU/mL)
Control	6.24 ± 1.16	4.52 ± 0.85	0.41 ± 0.13	5.51 ± 0.52	1.42 ± 0.15	ND
PbrR-displayed E. coli treated	6.18 ± 1.24	4.43 ± 0.92	0.39 ± 0.25	5.66 ± 0.41	1.39 ± 0.13	0