Persistence of primary antibody formation caused by the absence of antigen of microbial origin in the germ-free chicken.
D000818:Animals; D000917:Antibody Formation; D000941:Antigens; D002645:Chickens; D005260:Female; D005856:Germ-Free Life; D006801:Humans; D008214:Lymphocytes / Q000276:immunology; D008297:Male; D011234:Precipitins / Q000032:analysis; D012710:Serum Albumin, Bovine; D013997:Time Factors; D005719:gamma-Globulins
D000941:Antigens; D011234:Precipitins; D005719:gamma-Globulins; D012710:Serum Albumin, Bovine