TY - CPAPER AU - Brad J. Thacker, DVM, PhD; Eileen L. Thacker, DVM, PhD TI - Inouence of maternally-derived antibodies on the efocacy of a Mycoplasma hyopneumoniae bacterin T2 - AASV Annual Meeting DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2001 DA - 2001/03/02 L1 - https://www.aasv.org/library/swineinfo/Content/AASV/2001/513.PDF ER -