title: The effect of V4 Newcastle disease vaccine on laying performance in chickens.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D002645:Chickens / Q000502:physiology*; D005260:Female; D006386:Hemagglutination Tests / Q000662:veterinary; D009522:Newcastle disease virus / Q000276:immunology* / Q000472:pathogenicity; D010058:Oviposition / Q000187:drug effects*; D014611:Vaccination / Q000662:veterinary; D014765:Viral Vaccines / Q000494:pharmacology*; D014774:Virulence
chemical_list: D000914:Antibodies, Viral; D014765:Viral Vaccines