Salmonella Serovars, Antibiotic Resistance, and Virulence Factors Isolated from Intestinal Content of Slaughtered Chickens and Ready-to-Eat Chicken Gizzards in the Ilorin Metropolis, Kwara State, Nigeria

Table 4

Antimicrobial resistance pattern of Salmonella species isolated from intestinal contents and ready-to-eat chicken gizzards.

Antimicrobial ()	Resistance	Sensitivity	Symbol	CLIS zone
				R	I	S
Enrofloxacin	—	43 (100%)	ENR	≤12	13-16	≥17
Nalidixic acid	19 (44%)	24 (56%)	NA	≤15	—	≥17
Gentamycin	12 (28%)	31 (72%)	GN	≤12	13-14	≥15
Ciprofloxacin	43 (100%)	—	CIP	≤15	16-20	≥21
Tetracycline	33 (77%)	10 (23%)	TE	≤14	15-16	≥17
Sulfamethoxazole	29 (67%)	14 (33%)	RL	≤10	11-15	≥16
Ampicillin	43 (100%)	—	AMP	≤28	—	≥29
Ceftazidime	43 (100%)	—	CAZ	≤14	15-17	≥18
Cloxacillin	17 (81%)	4 (19%)	OB	≤10	11-12	≥13
Streptomycin	11 (26%)	32 (74%)	S	≤10	11-12	≥13