Antimicrobial Resistance in Poultry Farming: A Look Back at Environmental Escherichia coli Isolated from Poultry Farms during the Growing and Resting Periods

Table 3

Resistance patterns of E. coli isolated from the three poultry farms.

Patterns of antimicrobial resistance	Farm	Resting period (n, %)	Growing period (n, %)
None	A	3 (11.5)	0
	B	0	1 (1.3)
	C	3 (11.5)	1 (1.3)
1 type of resistance	A	2 (7.7)	9 (11.4)
	B	1 (3.8)	5 (6.3)
	C	1 (3.8)	14 (17.7)
2 types of resistance	A	1 (3.8)	7 (8.9)
	B	4 (15.4)	9 (11.4)
	C	0	18 (22.8)
≥3 types of resistance	A	2 (7.7)	2 (2.5)
	B	9 (34.6)	7 (8.9)
	C	0	6 (7.6)
Total		26 (100)	79 (100)