Wyeth, P J Immune responses of breeding chickens to trivalent oil emulsion vaccines: responses to Newcastle disease and infectious bursal disease. [electronic resource] - The Veterinary record Jan 1981 - 72-5 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0042-4900 Standard No.: 10.1136/vr.108.4.72 doi Subjects--Topical Terms: AnimalsAntibodies, Viral--analysisChickens--immunologyFemaleHemagglutination Inhibition TestsImmunity, Maternally-AcquiredImmunodiffusionInfectious bronchitis virus--immunologyInfectious bursal disease virus--immunologyMaleNewcastle disease virus--immunologyOils--administration & dosageReoviridae--immunologyViral Vaccines--administration & dosage