TY - CPAPER AU - Thacker EL, Thacker BJ, Wolff T TI - Efficacy of a chlortetracycline feed additive in reducing pneumonia and clinical signs induced by experimental Mycoplasma hyopneumoniae challenge T2 - Journal of Swine Health and Production DP - American Association of Swine Veterinarians DB - AASV Swine Information Library UR - https://www.aasv.org/library/swineinfo/ PY - 2006 DA - 2006/05/01 L1 - https://www.aasv.org/library/swineinfo/Content/SHAP/2006/v14n3p140.pdf SE - May-Jun ER -