Table 2.

Dilution Range and Susceptibility Breakpoints of Antimicrobial Agents Used in This Study

Antimicrobial Agent	Dilution Range (μg/mL)	Susceptibility Break Points (μg/mL)
		Susceptible	Intermediate	Resistant
Penicillina	0.03–64	≤0.12		≥0.25
Oxacillinb	0.03–64	≤2		≥4
Sulfamethoxazolea	0.12–128	≤64		≥128
Tetracyclinea	0.03–64	≤4	8	≥16
Enrofloxacina	0.03–16	≤0.25	0.5–1	≥2
Amoxicillin/clavulanateb	0.03–64	≤2	2/4	≥8
Cefalexind	0.03–64	≤2	4	≥8
Ceftiofura	0.03–64	≤24	4	≥8
Clindamycinb	0.03–64	≤2	1–2	≥4
Daptomycinc	0.03–64	≤1	1–2	≥2

Notes: ^aInterpretative breakpoint based on the CLSI breakpoints used in veterinary medicine; ^binterpretative breakpoint based on the CLSI breakpoints used in human medicine; ^cinterpretative break point based on EUCAST, 2015;⁴⁴ ^dbreakpoint of cefalexin based on cephalothin.