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Table 3 SBV ELISA-positive animals detected in surveillance Year +1, Year +2 and Year +3 in cows (C), heifers (H), youngstock (Y) in each herd, with the number of positive animals detected per herd in each surveillance year, blood sampling dates, ELISA S/N% results, Positive (P), Negative (N), S/N% value from the ELISA threshold cut-off and date of birth and age (months) of animals at first blood sampling

From: Post-epidemic Schmallenberg virus circulation: parallel bovine serological and Culicoides virological surveillance studies in Ireland

Surveillance year Herd ID Animal type Number of positives Blood sample 1 Blood sample 2
Date ELISA S/N % Result S/N% from cut off Date of birth Age (months) Date ELISA S/N % Result S/N % from cut off
Year +1 (2013)a 1 H 1 29-Mar-14 6.9 P 33.1 15-Mar-13 31.2
3 H 1 28-Mar-14 4.9 P 35.1 13-Mar-13 31.3
12 H 1 21-Mar-14 25.0 P 15.0 07-Mar-13 31.2
13 H 1 21-Mar-14 32.8 P 7.2 14-Feb-13 33.1
20 H 1 14-Mar-14 37.6 P 2.4 15-Feb-13 32.4
21 H 1 28-Mar-14 33.1 P 6.9 16-Mar-13 31.0
22 H 2 22-Mar-14 31.4 P 8.6 26-Mar-13 29.7
22 H 2 22-Mar-14 7.6 P 32.4 26-Mar-13 29.7
26 H 1 26-Mar-14 6.6 P 33.4 18-Feb-13 33.2
Year +2 (2014) 4 C 2 19-Mar-14 57.8 N 7.8 25-Nov-14 37.3 P 2.7
7 C 3 21-Mar-14 64.1 N 14.1 28-Nov-14 33.9 P 6.1
7 C 3 24-Mar-14 76.9 N 26.9 17-Nov-14 11.5 P 28.5
12 C 2 19-Mar-14 50.7 N 0.7 27-Nov-14 23.2 P 16.8
12 C 2 18-Mar-14 55.0 N 5.0 27-Nov-14 9.5 P 30.5
14 C 1 21-Mar-14 50.7 N 0.7 01-Dec-14 30.4 P 9.6
16 C 2 28-Mar-14 68.9 N 18.9 14-Nov-14 19.6 P 20.4
16 C 2 27-Mar-14 51.0 N 1.0 20-Nov-14 30.5 P 9.5
17 C 1 21-Mar-14 54.2 N 4.2 28-Nov-14 34.0 P 6.0
22 C 1 18-Mar-14 77.4 N 27.4 27-Nov-14 7.2 P 32.8
2 H 1 27-Mar-14 69.2 N 19.2 20-Nov-14 13.3 P 26.7
4 H 1 27-Mar-14 81.1 N 31.1 20-Nov-14 23.1 P 16.9
6 H 1 21-Mar-14 71.6 N 21.6 28-Nov-14 39.5 P 0.5
7 H 3 14-Mar-14 72.4 N 22.4 24-Nov-14 34.6 P 5.4
13 H 1 19-Mar-14 78.1 N 28.1 27-Nov-14 15.0 P 25.0
Year +3 (2015) 4 Y 1 24-Nov-14 38.8 P 1.2 19-Jan-14 10.17 17-Nov-15 74.4 N 24.4
13 Y 1 28-Nov-14 34.0 P 6.0 17- Feb-14 9.37 02-Dec-15 86.0 N 36.0
15 Y 1 19-Nov-14 34.7 P 5.3 14-Mar-14 8.17 08-Dec-15 105.4 N 55.4
16 Y 2 27-Nov-14 32.5 P 7.5 13-Feb-14 9.47 25-Nov-15 71.7 N 21.7
16 Y 1 27-Nov-14 37.6 P 2.4 19-Feb-14 9.27 25-Nov-15 79.7 N 29.7
18 Y 1 12-Dec-14 36.0 P 4.0 30-Mar-14 8.40 20-Nov-15 85.7 N 35.7
22 Y 1 01-Dec-14 34.2 P 5.8 05-Mar-14 8.87 09-Dec-15 95.8 N 45.8
  1. aSurveillance year +1 = positive heifers only; positive cows are excluded as they are likely to have been exposed to SBV during the 2012 Irish SBV epidemic