Immunization of adult hens against infectious bursal disease virus.
D000818:Animals; D000917:Antibody Formation; D002060:Bursa of Fabricius; D002645:Chickens / Q000276:immunology*; D005260:Female; D007114:Immunization / Q000662:veterinary*; D007243:Infectious bursal disease virus / Q000276:immunology*; D009500:Neutralization Tests; D011201:Poultry Diseases / Q000517:prevention & control*; D012087:Reoviridae / Q000276:immunology*