TY - CPAPER AU - TI - FIELD EFFICACY OF A MODIFIED LIVE ILEITIS ORAL VACCINE IN FOUR CHINESE FARMS T2 - International Pig Veterinary Society Congress DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2008 DA - 2008/06/01 L1 - https://www.aasv.org/library/swineinfo/Content/IPVS/2008/posters/P03.061.pdf SE - Bacterial - Lawsonia ER -