Table 4.

Prevalence of selected antimicrobial resistance genes in E. coli isolates obtained from manure, soil, feces and vegetables in Addis Ababa, Ethiopia.

Encode resistance to	Source of Salmonella isolates	No. of resistant isolates	Tested resistant genes	No. of positive (%)
Tetracycline	Manure	4	tet (A)	1 (25)
			tet (B)	3 (75)
			tet (C)	0
	Soil	1	tet (A)	0
			tet (B)	1 (100)
			tet (C)	0
	Vegetables	2	tet (A)	1 (50)
			tet (B)	0
			tet (C)	0
	Feces	0	tet (A)	0
			tet (B)	0
			tet (C)	0
Ampicillin	Manure	3	blaTEM	3 (100)
	Soil	1	blaTEM	1(100)
	Vegetables	2	blaTEM	1 (50)
	Feces	3	blaTEM	1 (33.3)
Gentamicin	Manure	6	aac(3)-IV	3 (50)
	Soil	2	aac(3)-IV	1 (50)
	Vegetables	7	aac(3)-IV	5 ()
	Feces	1	aac(3)-IV	1(100)
Streptomycin	Manure	7	aadA	4 (57.1)
	Soil	4	aadA	4(100)
	Vegetables	6	aadA	4 (66.6)
	Feces	4	aadA	4 (100)
Sulfonamide	Manure	4	sulI	2 (50)
			sulII	1 (25)
	Soil	5	sulI	0
			sulII	4 (80)
	Vegetables	3	sulI	1 (33.3)
			sulII	2 (66.6)
	Feces	2	sulI	1 (50)
			sulII	0