Antibiotics Resistance in Escherichia coli Isolated from Livestock in the Emirate of Abu Dhabi, UAE, 2014–2019

Table 3

Comparison of AMR in E. coli isolates according to phenotypic and genotypic testing.

Antibiotic	Phenotype	Genotype	% of dis-agreement	% of agreement
Ampicillin	P− (n = 5)	G+ (n = 5)	9/165 (5.5%)	156/165 (94.5%)
	P+ (n = 4)	G− (n = 4)
Tetracycline	P− (n = 11)	G+ (n = 11)	12/165 (7.3%)	153/165 (92.7%)
	P+ (n = 1)	G− (n = 1)
Co-trimoxazole	P− (n = 26)	G+ (n = 26)	27/165 (16.4%)	138/165 (83.6%)
	P+ (n = 1)	G− (n = 1)
Gentamicin	P− (n = 28)	G+ (n = 28)	28/165 (17%)	137/165 (83%)
Enrofloxacin	P− (n = 10)	G+ (n = 10)	92/165 (55.8%)	73/165 (44.2%)
	P+ (n = 82)	G− (n = 82)

P_+/G₋ = Phenotypic resistant with no resistance gene identified. P_−/G₊ = Phenotypic susceptible with resistance gene identified.