Evidence of excretion of Schmallenberg virus in bull semen

Table 1 Characteristics of SBV seroconverting bulls

Bull (N#)	Year of birth	Breed	N# of tested semen batches	Date of first ejaculate	Date of last ejaculate	SBV antibody levels
Bull (N#)	Year of birth	Breed	N# of tested semen batches	Date of first ejaculate	Date of last ejaculate	Day-0	Day-28
1	2006	Ho	37	13/10/2011	26/03/2012	22/11/11 (201%)	10%
2	2010	Ho	18	18/06/2012	19/09/2012	21/08/12 (165%)	1%
3	2010	No	15	18/06/2012	29/08/2012	21/08/12 (91%)	2%
4	2010	Ho	18	18/06/2012	19/09/2012	21/08/12 (142%)	1.6%
5	2010	Ho	18	20/06/2012	17/09/2012	21/08/12 (67%)	2.6%
6	2010	No	14	18/06/2012	27/08/2012	21/08/12 (124%)	0.6%
7	2011	No	16	03/08/2012	03/12/2012	14/08/12 (52%)	1.4%

Day-0: day of first positive SBV ELISA result. Day-28: S/P values 4 weeks before the first positive ELISA result. Ho = Holstein; No = Normand.
SBV ELISA results are expressed as S/P values and are given in percentages.

ISSN: 1297-9716