Research Article

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 2

Number of total aerobic mesophilic flora on the amoxicillin-gradient plate with Cmax = 3 µg/mL.

Total aerobic mesophilic flora in log10 CFU/g
Day 7 (before treatment)Day 14Day 21
Amoxicillin-gradient (µg/mL)0–0.750.75–1.51.5–2.252.25–30–0.750.75–1.51.5–2.252.25–30–0.750.75–1.51.5–2.252.25–3

Group 1>5.48 ± 00000>5.48 ± 00b>5.48 ± 00c>5.48 ± 00c4.34 ± 0.02b>5.48 ± 00c>5.48 ± 00c>5.48 ± 00c>5.48 ± 00
Group 2>5.48 ± 000003.81 ± 0.03a3.38 ± 0.09a0a0a4.11 ± 0.03a3.92 ± 0.03a0a0a
Group 3>5.48 ± 000003.73 ± 0.04a3.65 ± 0.03b3.65 ± 0.04b0a4.16 ± 0.01b4.08 ± 0.002b3.95 ± 0.04b0a

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