title: The effect on egg production of layers after vaccination with an inactivated infectious bronchitis (IB) oil emulsion vaccine on a multi-age layer farm in Papua New Guinea.
mesh_terms: D000818:Animals; D002645:Chickens / Q000502:physiology*; D003332:Coronaviridae / Q000276:immunology*; D004655:Emulsions; D005260:Female; D001351:Infectious bronchitis virus / Q000276:immunology*; D009821:Oils / Q000008:administration & dosage; D010058:Oviposition / Q000187:drug effects*; D010219:Papua New Guinea; D014611:Vaccination / Q000662:veterinary; D014613:Vaccines, Attenuated / Q000008:administration & dosage / Q000494:pharmacology; D014765:Viral Vaccines / Q000008:administration & dosage / Q000494:pharmacology*
chemical_list: D004655:Emulsions; D009821:Oils; D014613:Vaccines, Attenuated; D014765:Viral Vaccines