Field observations on serological responses to an oil emulsion vaccine against avian infectious bronchitis.
D000818:Animals; D002645:Chickens; D003333:Coronaviridae Infections / Q000276:immunology / Q000517:prevention & control / Q000662:veterinary*; D004655:Emulsions; D001351:Infectious bronchitis virus / Q000276:immunology; D009821:Oils; D011201:Poultry Diseases / Q000276:immunology* / Q000382:microbiology / Q000517:prevention & control; D014765:Viral Vaccines / Q000008:administration & dosage*
D004655:Emulsions; D009821:Oils; D014765:Viral Vaccines