The occurrence of the multidrug resistance (MDR) and the prevalence of virulence genes and QACs resistance genes in E. coli isolated from environmental and avian sources

AMB Express

Table 2 Total prevalence of E. coli isolated from all examined samples (feeder, drinker, wall, floor and organs of diseased broiler chickens)

Sources	Type of samples	No. of examined samples	E. coli		Chi square P value
Sources	Type of samples	No. of examined samples	No.	%	Chi square P value
Environmental samples	Feeder	32	12	37.5	0.0792 NS
	Drinker	32	10	31.25
	Wall	36	4	11.11
	Floor	42	12	28.57
Total		142	38	26.76
Organs of diseased broiler chickens (ExPEC)	Heart	70	30	42.86	< 0.0001*
	Liver	82	50	60.98
	Lung	12	4	33.33
	Yolk	30	6	20
	Spleen	16	8	50
	Air sac	16	16	100
Total		226	114	50.44	< 0.0001*
Total of all		368	152	41.30	< 0.0001*