TY - CPAPER AU - Rovira, A, Munoz-Zanzi, C TI - EVALUATION OF PRRSV MONITORING PROTOCOLS FOR NEGATIVE BOAR STUDS T2 - International Pig Veterinary Society Congress DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2006 DA - 2006/06/01 L1 - https://www.aasv.org/library/swineinfo/Content/IPVS/2006/VIRAL/O_05-03.pdf SE - Major viral infections: PRRSV biology II ER -