Table 1.

Comparison between tylosin, lincomycin and tylvalosin MICs for the 48 isolates of Brachyspira hyodysenteriae susceptibility tested against tylvalosin

No. of isolates	MIC (μg/ml)
	Tylosin	Lincomycin	Tylvalosin
35	>64	16->64	2->32
11	4-8	0.5-1	1
2	>128	32	0.25-0.5