title: "O" antibody levels to Escherichia coli in pigs.
mesh_terms: D000818:Animals; D000906:Antibodies; D003126:Colostrum / Q000276:immunology; D004926:Escherichia coli / Q000276:immunology*; D006386:Hemagglutination Tests; D013552:Swine / Q000276:immunology*
chemical_list: D000906:Antibodies