Comparative immune response of lentogenic CDF-66 and F strains of Newcastle disease virus.
D000818:Animals; D002645:Chickens; D009521:Newcastle Disease / Q000276:immunology / Q000662:veterinary*; D009522:Newcastle disease virus / Q000276:immunology*; D011201:Poultry Diseases / Q000276:immunology*; D014611:Vaccination; D014765:Viral Vaccines / Q000008:administration & dosage*
D014765:Viral Vaccines