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 5

Number of total aerobic mesophilic flora on the thymol-gradient plate with C_max = 500 µg/mL.

	Total aerobic mesophilic flora in log10 CFU/g
	Day 7 (before treatment)				Day 14				Day 21
Thymol-gradient (µg/mL)	0–120	120–250	250–370	370–500	0–120	120–250	250–370	370–500	0–120	120–250	250–370	370–500
Group 1	0	0	0	0	4.68 ± 0.02	4.06 ± 0.02	0	0	4.78 ± 0.01	4.21 ± 0.07	0	0
Group 2	0	0	0	0	4.67 ± 0.01	4.09 ± 0.05	0	0	4.81 ± 0.03	4.20 ± 0.03	0	0
Group 3	0	0	0	0	4.68 ± 0.02	4.05 ± 0.06	0	0	4.81 ± 0.02	4.21 ± 0.04	0	0