Table 2 Number and percentage (in brackets) of enrichment broths from carcass swab samples that were positive for stx1 and/or stx2 but lacked eae. Data is from cassette PCR results
Month | total # samples | stx1 + ve | stx1 + ve but eae –ve | stx2 + ve | stx2 + ve but eae –ve | stx1&2 + ve | stx1&2 + ve but eae -ve |
|---|---|---|---|---|---|---|---|
January | 42 | 9 | 3 (33.3) | 25 | 7 (28.0) | 9 | 3 (33.3) |
February | 42 | 15 | 3 (20.0) | 24 | 8 (33.3) | 11 | 1 (9.1) |
March | 64 | 16 | 3 (18.8) | 35 | 12 (34.3) | 13 | 3 (23.1) |
April | 88 | 20 | 10 (50.0) | 38 | 18 (47.4) | 13 | 6 (46.2) |
May | 56 | 20 | 1 (5.0) | 32 | 8 (25.0) | 16 | 1 (6.3) |
June | 52 | 17 | 1 (5.9) | 30 | 2 (6.7) | 8 | 0 (0) |
July | 56 | 32 | 0 (0) | 39 | 3 (7.7) | 26 | 0 (0) |
August | 44 | 7 | 1 (14.3) | 19 | 3 (15.8) | 7 | 1 (14.3) |
September | 72 | 24 | 3 (12.5) | 44 | 9 (20.5) | 22 | 3 (13.6) |
October | 62 | 11 | 4 (36.4) | 33 | 13 (39.4) | 10 | 4 (40.0) |
November | 134 | 43 | 11 (25.6) | 74 | 28 (37.8) | 37 | 8 (21.6) |
December | 108 | 23 | 9 (39.1) | 38 | 19 (50.0) | 16 | 7 (43.8) |
Total | 820 | 237 | 49 (20.7) | 431 | 130 (30.2) | 188 | 37 (19.7) |