title: Group-specific Streptococcus agalactiae antibodies in colostrum of first-calf heifers.
mesh_terms: D000818:Animals; D000906:Antibodies; D000941:Antigens; D002417:Cattle / Q000276:immunology*; D003126:Colostrum / Q000276:immunology*; D005779:Immunodiffusion; D013291:Streptococcus / Q000302:isolation & purification*
chemical_list: D000906:Antibodies; D000941:Antigens