Immunosuppressive effect of the infectious bursal agent in the chicken.
D000818:Animals; D000917:Antibody Formation; D002060:Bursa of Fabricius / Q000276:immunology; D002645:Chickens; D009522:Newcastle disease virus; D011201:Poultry Diseases / Q000276:immunology*; D014611:Vaccination; D014765:Viral Vaccines; D014777:Virus Diseases / Q000276:immunology / Q000662:veterinary*
D014765:Viral Vaccines