TY - CPAPER AU - B.T. Spencer TI - Questionnaire to pig farmers. 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 - 2000 DA - 2000/06/01 L1 - https://www.aasv.org/library/swineinfo/Content/IPVS/2000/AUTHOR/PV000117.PDF SE - Economics and Environment - General (Posters) ER -