P. Heller, St. Bremerich, R. Tabeling. IPVS. 2004
Eradication of the PRRSV war attempted in a closed nucleus herd of 200 sows (Large White). The herd has SPF status with exemplary hygiene and management. The replacement rate is 70%.
The herd broke with PRRSV in May 2000. Because of the valuable genetic status, the eradication programme was initiated.