6%), the ST-45 CC (10.8%), the ST-48 CC (4.9%) and the ST-677 CC (2.9%). Of the 50 STs observed among the isolates, 23 (46%) were novel. Thirty-two isolates (31.4%) had a unique ST, and the

most common STs among the isolates were ST-53 (12.7%), followed by ST-61 (7.8%) and ST-883 (6.9%). Table 1 Distribution of multilocus sequence types among our bovine Campylobacter jejuni isolates from 2003.     Allele no. CC ST aspA glnA gltA glyA pgm tkt BI 2536 uncA ST-21 CC 21 (3) 2 1 1 3 2 1 5   43 2 1 5 3 4 1 5   50 (4) 2 1 12 3 2 1 5   53 (13) 2 1 21 3 2 1 5   141 2 1 10 3 2 1 5   262 (2) 2 1 1 3 2 1 3   333 (2) 2 1 21 2 2 1 5   451 (4) 2 1 2 3 2 3 5   561 2 1 21 4 2 1 5   761 2 1 1 4 2 1 5   883 (7) 2 17 2 3 2 1 5   1459 2 1 1 2 2 1 5   1823 2 1 177 3 2 1 5   1952 2 1 12 3 1 1 5   2956 2 17 2 2 2 1 5   2957 (2) 2 1 1 3 393 318 5   2958 2 1 12 3 2 20 5   2959 2 1 2 137 2 3 5   2996 (2) 2 1 2 4 2 3 5   3352 2 1 2 2 2 3 5   3788 4 1 6 3 2 1 5   3810 14 4 1 3 19 1 5 ST-22 CC 3892 1 3 6 3 3 3 3 ST-42 CC 42 1 2 3 4 5 9 3 ST-45 CC 45 (3) 4 7 10 4 1 7 1   97 4 7 10 4 1 1 1   230 4 7 41 4 42 7 1   242 (2) 4 7 10 2 1 7 1   1701

4 7 10 4 1 51 1   2663 (2) 4 7 10 3 1 7 1   3357 4 7 10 3 42 51 1 ST-48 CC 475 (3) 2 4 1 4 19 62 5   2955 2 4 1 2 19 62 5   3893 2 4 2 2 7 51 5 ST-61 CC 61 (8) 1 4 2 2 6 3 17   618 (3) 1 4 2 2 6 3 5   820 1 4 2 4 6 3 17   2974 1 4 2 3 2 3 234   3351 (3) 1 4 2 3 6 3 17   3509 1 4 2 4 6 3 38   3894 10 4 2 3 6 3 17 ST-206 CC 3360 2 17 5 4 2 1 5 find more ST-658 CC 3000 2 4 2 4 19 1 8 ST-677 CC 677 (3) 10 81 50 99 GDC-0973 purchase very 120 76 52 Unassigned 58 19 24 23 20 26 16 15   586 (4) 1 2 42 4 98 58 34   2961 1 17 2 4 2 3 5   2999 2 2 107 4 120 76 1   3354 2 2 42 4 98 58 5   3787 1 4 1 4 19 62 5 Numbers in parentheses after each ST denote the number of isolates.