In Vitro and In Vivo Comparison of Changes in Antibiotics Susceptibility of E. coli and Chicken’s Intestinal Flora after Exposure to Amoxicillin or Thymol

Table 4

Number of total aerobic mesophilic flora on the amoxicillin-gradient plate with C_max = 12 µg/mL.

	Total aerobic mesophilic flora in log10 CFU/g
	Day 7 (before treatment)				Day 14				Day 21
Amoxicillin-gradient (µg/mL)	0–3	3–6	6–9	9–12	0–3	3–6	6–9	9–12	0–3	3–6	6–9	9–12
Group 1	0	0	0	0	5.43 ± 0.05c	0	0	0	>5.48 ± 00c	>5.48 ± 00	>5.48 ± 00	>5.48 ± 00
Group 2	0	0	0	0	3.50 ± 0.20a	0	0	0	4.34 ± 0.02a	0	0	0
Group 3	0	0	0	0	4.75 ± 0.04b	0	0	0	4.93 ± 0.02b	0	0	0

The values that include different letters are significantly different from each other at .