TABLE 2.

Distribution of PFGE types on 11 cattle farms

Farm no.	No. of isolates tested by PFGE	PFGE type(s)
1	3	X14, X29, X43
2	52	X1, X2, X3, X4, X12, X15, X16, X39, X44, X45
3	35	X5, X19, X20, X21, X24, X26, X30, X32, X33, X36, X37, X40, X41
4	26	X46, X47, X48, X49, X50, X51, X52, X53, X54,
5	8	X7, X31, X54, X56
6	9	X10, X22, X42, X54
7	1	X13
8	29	X8, X11, X25, X30, X59
9	54	X17, X23, X24, X26, X27, X28, X34, X35, X38
10	4	X24, X36
11	7	X6, X8, X9, X18