Influence of the administration of bursa of Fabricius extract and anti-bursal extract serum on antibody formation.
D000818:Animals; D000917:Antibody Formation / Q000187:drug effects*; D002060:Bursa of Fabricius / Q000276:immunology / Q000502:physiology*; D002645:Chickens; D008297:Male; D011817:Rabbits; D014020:Tissue Extracts / Q000494:pharmacology*
D014020:Tissue Extracts