TY - CPAPER AU - Lisa Truchan, Rika Jolie, Paul Runnels, David McGavin TI - Eighteen Week Duration of Immunity in Pigs Vaccinated at 3 or 8 Weeks of Age with One Dose 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 - 2000 DA - 2000/03/02 L1 - https://www.aasv.org/library/swineinfo/Content/AASV/2000/125.PDF ER -