Table 2. Antimicrobial resistance profiles of NAS strains isolated from broiler farms

Species (No. of isolates)	Number (%) of isolates resistant to:
	AMP	FOX	PEN	CHL	CIP	CLI	ERY	FUS	GEN	MUP	RIF	SXT	SYN	TET	VAN	TEC	LZD	TGC	MDR (%)
CoVS (68)
Staphylococcus agnetis (51)	29 (56.9)	0	28 (54.9)	6 (11.8)	11 (21.6)	1 (2)	1 (2)	47 (90.2)	28 (54.9)	1 (2)	0	0	0	9 (17.6)	0	0	0	0	30 (59)
Staphylococcus chromogenes (17)	5 (29.4)	0	5 (29.4)	5 (29.4)	7 (41.2)	8 (47.1)	3 (17.6)	0	0	0	0	0	0	6 (35.3)	0	0	0	0	8 (47)
CoVS Total	34 (50)	0	33 (48.5)	11 (16.2)	18 (26.5)	9 (13.2)	4 (5.9)	47 (69.1)	28 (41.2)	1 (1.5)	0	0	0	15 (22.1)	0	0	0	0	38 (55.9)
CoNS (148)
Staphylococcus arlettae (2)	2 (100)	0	2 (100)	2 (100)	1 (50)	1 (50)	2 (100)	2 (100)	0	0	0	0	0	2 (100)	0	0	0	0	2 (100)
Staphylococcus cohnii (5)	1 (20)	0	2 (40)	5 (100)	1 (20)	3 (60)	3 (60)	5 (100)	0	0	0	0	0	4 (80)	0	0	0	0	5 (100)
Staphylococcus condimenti (1)	0	0	0	0	1 (100)	0	0	0	0	0	0	0	0	1 (100)	0	0	0	0	0
Staphylococcus epidermidis (15)	9 (60)	3 (20)	9 (60)	0	1 (6.7)	1 (6.7)	3 (20)	6 (40)	2 (13.3)	2 (13.3)	0	2 (13.3)	0	3 (20)	0	0	0	0	4 (26.7)
Staphylococcus gallinarum (12)	12 (100)	0	12 (100)	2 (16.7)	8 (66.7)	8 (66.7)	8 (66.7)	2 (16.7)	0	0	0	0	0	9 (75)	0	0	0	0	8 (66.7)
Staphylococcus haemolyticus (1)	1 (100)	1 (100)	1 (100)	1 (100)	1 (100)	1 (100)	1 (100)	0	0	0	0	0	1 (100)	1 (100)	0	0	0	0	1 (100)
Staphylococcus lentus (5)	0	0	0	3 (60)	3 (60)	1 (20)	3 (60)	5 (100)	0	0	0	1 (20)	0	1 (20)	0	0	0	0	4 (80)
Staphylococcus lugdunensis (2)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Staphylococcus saprophyticus (20)	3 (15)	0	12 (60)	1 (5)	6 (30)	3 (15)	8 (40)	19 (95)	0	0	0	1 (5)	0	11 (55)	0	0	0	0	13 (65)
Staphylococcus sciuri (1)	1 (100)	1 (100)	1 (100)	0	1 (100)	0	1 (100)	1 (100)	0	0	0	1 (100)	0	1 (100)	0	0	0	0	1 (100)
Staphylococcus simulans (27)	3 (11.1)	0	3 (11.1)	3 (11.1)	5 (18.5)	6 (22.2)	6 (22.2)	0	1 (3.7)	0	0	3 (11.1)	0	3 (11.1)	0	0	0	0	5 (19)
Staphylococcus ureilyticus (3)	0	1 (33.3)	0	2 (66.7)	0	1 (33.3)	1 (33.3)	3 (100)	0	0	0	0	0	1 (33.3)	0	0	0	0	2 (66.7)
Staphylococcus warneri (5)	5 (100)	0	5 (100)	0	0	0	1 (20)	1 (20)	0	1 (20)	0	0	0	1 (20)	0	0	0	0	1 (20)
Staphylococcus xylosus (49)	18 (36.7)	0	35 (71.4)	12 (24.5)	11 (22.4)	2 (4.1)	4 (8.2)	39 (79.6)	3 (6.1)	0	0	0	0	21 (42.9)	0	0	0	0	20 (40.8)
CoNS total	55 (37.2)	6 (4.1)	82 (55.4)	31 (20.9)	39 (26.4)	27 (18.2)	41 (27.7)	83 (56.1)	6 (4.1)	3 (2.0)	0	8 (5.4)	1 (0.7)	59 (39.9)	0	0	0	0	66 (44.6)
Total (216)	89 (41.2)	6 (2.8)	115 (53.2)	42 (19.4)	57 (26.4)	36 (16.7)	45 (20.8)	130 (60.2)	34 (15.7)	4 (1.9)	0	8 (3.7)	1 (0.5)	74 (34.3)	0	0	0	0	104 (48.1)

NAS, non-aureus staphylococci; AMP, ampicillin; FOX, cefoxitin; PEN, penicillin; CHL, chloramphenicol; CIP, ciprofloxacin; CLI, clindamycin; ERY, erythromycin; FUS, fusidic acid; GEN, gentamicin; MUP, mupirocin; RIF, rifampin; SXT, trimethoprim-sulfamethoxazole; SYN, quinupristin- dalfopristin; TET, tetracycline; VAN, vancomycin; TEC, teicoplanin; LZD, linezolid; TGC, tigecycline; MDR, multi-drug resistance; CoVS, coagulase-variable staphylococci; CoNS, coagulase-negative staphylococci.