TY - CPAPER AU - C.S. Kristensen, L.E. Larsen TI - Investigation of PCV2-free herds T2 - Allen D. Leman Swine Conference DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2010 DA - 2010/09/01 L1 - https://www.aasv.org/library/swineinfo/Content/LEMAN/2010/165.pdf SE - Recent Research Reports: PCV2 ER -