Comparision of antibiotics on growth performance of weanling pigs in a commerical environment

T P Keegan, Joel M DeRouchey, Jim L Nelssen, Michael D Tokach, Robert D Goodband, Steven S Dritz
2003 Kansas Agricultural Experiment Station Research Reports  
doi:10.4148/2378-5977.6836 fatcat:kzt62r7bvffgxhpm7mtsf2gdca