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 14
Day 21
Amoxicillin-gradient (µg/mL)
0–0.75
0.75–1.5
1.5–2.25
2.25–3
0–0.75
0.75–1.5
1.5–2.25
2.25–3
0–0.75
0.75–1.5
1.5–2.25
2.25–3
Group 1
>5.48 ± 00
0
0
0
>5.48 ± 00b
>5.48 ± 00c
>5.48 ± 00c
4.34 ± 0.02b
>5.48 ± 00c
>5.48 ± 00c
>5.48 ± 00c
>5.48 ± 00
Group 2
>5.48 ± 00
0
0
0
3.81 ± 0.03a
3.38 ± 0.09a
0a
0a
4.11 ± 0.03a
3.92 ± 0.03a
0a
0a
Group 3
>5.48 ± 00
0
0
0
3.73 ± 0.04a
3.65 ± 0.03b
3.65 ± 0.04b
0a
4.16 ± 0.01b
4.08 ± 0.002b
3.95 ± 0.04b
0a
The values that include different letters are significantly different from each other at .