TABLE 3.

Prevalence of DT104-related genes or sequence, bla_TEM-1, and bla_CMY-2 in S. Typhimurium isolates

PFGE cluster	No. of isolates (%) with:
	invA	floR	spvC	intI	162-bp amplicona	blaTEM-1	blaCMY-2
I	248 (100)	227 (92)	247 (99.6)	244 (98)	243 (98)	NTb	NT
II	37 (100)	0 (0)	30 (81)	1 (3)	0 (0)	NT	NT
III	2 (100)	0 (0)	0 (0)	0 (0)	0 (0)	NT	NT
IV	36 (100)	0 (0)	0 (0)	22 (61)	0 (0)	NT	NT
V	12 (100)	0 (0)	6 (50)	0 (0)	0 (0)	NT	NT
VI	31 (100)	0 (0)	2 (6.5)	3 (9)	0 (0)	NT	NT
VII	165 (100)	26 (16)	155 (94)	160 (97)	0 (0)	162 (98)	26 (16)
VIII	13 (100)	0 (0)	11 (85)	0 (0)	0 (0)	NT	NT
IX	1 (100)	0 (0)	1 (100)	1 (100)	0 (0)	NT	NT

^aSpecific sequence of 16S-23S spacer region of phage type DT104 and its related phage type, U302.

^bNT, not tested.