Table 4.

Susceptibilities of tetracycline-resistant isolates to other antibiotics

Antimicrobial agent	Isolates susceptible
	Avian isolates (%) (n = 28)	Human isolates (%) (n = 21)
Ampicillin	24 (85.7)*	4 (19.0)
Amoxicillin/clavulanate	27 (96.4)	20 (95.2)
Chloramphenicol	27 (96.4)*	12 (57.1)
Ciprofloxacin	25 (89.3)	16 (76.2)
Enrofloxacin	16 (57.6)	13 (61.9)
Gentamicin	28 (100.0)*	13 (61.9)
Kanamycin	1 (3.6)	2 (9.5)
Nalidixic acid	1 (3.6)*	16 (76.2)
Norfloxacin	21 (75.0)	18 (85.7)
Ofloxacin	24 (85.7)	18 (85.7)

*p < 0.05 vs. human isolates