title: The effect of antibodies present in the intestinal tract of germfree piglets on the infection caused by the intravenous administration of the pathogenic strain Escherichia coli 055.
mesh_terms: D000818:Animals; D003126:Colostrum; D004064:Digestive System / Q000276:immunology*; D004927:Escherichia coli Infections / Q000188:drug therapy*; D005856:Germ-Free Life; D007116:Immunization, Passive; D007074:Immunoglobulin G / Q000627:therapeutic use; D013552:Swine; D014461:Ultracentrifugation
chemical_list: D007074:Immunoglobulin G