Table-1.

Number of Salmonella isolates with or without Class 1 integron in relation to their resistance toward different antimicrobials.

Antibiotics	Total number of resistance isolates	Class 1 Integron-positive isolates (n=40) (%)	Class 1 Integron-negative isolates (n=3) (%)
b-lactams
Ampicillin	2	2 (5.0)	0 (-)
Carbenicillin	4	3 (7.5)	1 (33.3)
Cefotaxime	3	3 (7.5)	0 (-)
Aminoglycosides
Gentamicin	7	7 (17.5)	0 (-)
Kanamycin	3	2 (5.0)	1 (33.3)
Streptomycin	4	4 (10.0)	0 (-)
Spectinomycin	10	10 (25.0)	0 (-)
Chloramphenicol
Chloramphenicol	0	0 (-)	0 (-)
Tetracyclines
Tetracycline	16	14 (35.0)	2 (66.7)
Sulfonamides
Co-trimoxazole	13	12 (30.0)	1 (33.3)
Sulfafurazole	27	25 (62.5)	2 (66.7)
Quinolones and fluoroquinolone
Ciprofloxacin	39	37 (92.5)	2 (66.7)
Enrofloxacin	32	30 (75.0)	2 (66.7)
Norfloxacin	32	30 (75.0)	2 (66.7)
Nalidixic acid	41	38 (95.0)	3 (100)