Z. Ao, A. Huang, N. Huang. IPVS. 2010.
Highly Pathogenic Porcine Reproductive and Respiratory Disease (HP PRRS), which caused great economic losses in Chinese hog industry, induces reproductive failure in sows and high culling rate in fatteners. To prevent viral disease like PRRS, vaccination is the optimum choice. The present study evaluated the effect of Ingelvac® PRRS MLV in a pig farm in Guangdong Province, China.