TY - CPAPER AU - Michelle Hemann, BS; X.J. Meng, MD, PhD; Patrick Halbur, DVM, MS, PhD; et al. TI - Herd closure for 140 days after PCV2 exposure stabilizes the population T2 - AASV Annual Meeting DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2012 DA - 2012/03/02 L1 - https://www.aasv.org/library/swineinfo/Content/AASV/2012/375.pdf SE - Poster Session: Research Topics ER -