Volume 18, Number 7—July 2012
Research
Seroprevalence of Schmallenberg Virus Antibodies among Dairy Cattle, the Netherlands, Winter 2011–2012
Armin R.W. Elbers
, Willie L.A. Loeffen, Sjaak Quak, Els de Boer-Luijtze, Arco N. van der Spek, Ruth Bouwstra, Riks Maas, Marcel A.H. Spierenburg, Eric P. de Kluijver, Gerdien van Schaik, and Wim H.M. van der Poel
, Willie L.A. Loeffen, Sjaak Quak, Els de Boer-Luijtze, Arco N. van der Spek, Ruth Bouwstra, Riks Maas, Marcel A.H. Spierenburg, Eric P. de Kluijver, Gerdien van Schaik, and Wim H.M. van der PoelTable
Age-specific mean prevalence of antibodies against Schmallenberg virus among cattle, the Netherlands, 2011–2012
| Age range, mo | No. cattle (prevalence, %) |
|||
|---|---|---|---|---|
| Northern region | Central-eastern region | Southern region | Total | |
| <18 | 7 (42.9) | 13 (76.9) | 13 (46.2) | 33 (57.6) |
| 18–24 | 331 (65.0) | 337 (82.8) | 151 (60.9) | 819 (71.6) |
| >24 | 103 (72.8) | 98 (80.6) | 32 (68.8) | 233 (75.5) |
