TY - CPAPER AU - Thomas L. Wetell, DVM TI - Field experiences using modified live PRRS vaccine in a mass vaccination protocol for the control of PRRS in breeding herds T2 - AASV Annual Meeting DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2004 DA - 2004/03/02 L1 - https://www.aasv.org/library/swineinfo/Content/AASV/2004/259.pdf SE - Industrial Partners ER -