Table 5. Antimicrobial susceptibility pattern of Gram negative bacteria isolated from bobwhites^*.

	Antimicrobial	E. coli	Enterobacter sp	Neisseria sp.	Ps. aeruginosa
	agents	(n = 16)	(n = 13)	(n = 5)	(n = 13)
Beta-lactam	Amoxicillin	4–8 (100)	2–8 (31), ≥16 (69)	0.25–0.5 (100)	≥16 (100)
	Ceftiofur	0.25–0.5 (100)	0.25–1 (100)	≤0.25 (100)	≥4 (100)
	Penicillin	≥8 (100)	≥8 (100)	0.06 (17), 0.25–1 (83)	≥8 (100)
Aminoglycoside	Gentamicin	0.5–1 (100)	≤0.5 (100)	≤0.5 (100)	1–2 (100)
	Neomycin	≤2 (100)	≤2 (100)	≤2 (100)	2–8 (100)
	Spectinomycin	16 (100)	≤8 (33), 16–32 (77)	≤8 (60), 16 (40)	≥64 (100)
	Streptomycin	≤8 (100)	8–32 (100)	≤8 (100)	32 (100)
Tetracycline	Oxytetracycline	1–2 (100)	0.25–4 (100)	0.5–1 (100)	4 (56), 8 (54)
	Tetracycline	1–2 (100)	0.5–4 (100)	1–2 (100)	≥8 (100)
Phenicol	Florfenicol	4 (75) , 8 (25)	1–4 (54)	≤1 (100)	≥8 (100)
Macrolide	Erythromycin	≥4 (100)	≥4 (100)	≥4 (100)	≥4 (100)
	Tylosin	≥20 (100)	≥20 (100)	≥20 (100)	≥20 (100)
Lincosamide	Clindamycin	≥4 (100)	≥4 (100)	≥4 (100)	≥4 (100)
Quinolone	Enrofloxacin	≤0.12 (100)	≤0.12 (100)	0.12 (100)	1 (85) , 2 (15)
	Novobiocin	≥4 (100)	≥4 (100)	≥4 (100)	≥4 (100)
Sulpha	Sulphadimethoxine	≥256 (100)	≤32 (25), ≥256 (85)	≤32 (100)	≥256 (100)
	Sulphatiazole	32–64 (25) , ≥256 (75)	32 (25), 256 (85)	≤32 (100)	64–256 (100)
	Trimethoprim/Sulpha	≤0.5 (100)	≤0.5 (100)	0.5–1 (100)	≥2 (100)

*The ranges of MICs (% of isolates) are indicated as follows: regular font, susceptible; bold and italic, intermediate susceptible; and bold and underlined, resistant.