Table 3.

Antimicrobial susceptibility patterns in Escherichia coli isolates.

Antimicrobial agents	Susceptible	Intermediate	Resistant
Ampicillin	8 (11.8)	12 (17.6)	48 (70.6)
Chloramphenicol	30 (44.1)	—	38 (55.9
Ciprofloxacin	62 (91.2)	2 (2.9)	4 (5.9)
Clindamycin	5 (7.4)	—	63 (92.6)
Neomycin	2 (2.9)	—	66 (97.1)
Norfloxacillin	59 (86.8)	—	9 (13.2)
Oxytetracycline	13 (19)	15 (22)	40 (58.8)
Streptomycin	3 (4.4)	—	65 (95.6)
Sulphonamides	7 (10.3)	21 (30.9)	40 (58.8)
Tetracycline	10 (14.7)	14 (20.6)	44 (64.7)
Trimethoprim	16 (23.5)	6 (8.8)	46 (67.6)
Total (%)	215 (28.7)	70 (9.4)	463 (61.9)