Immunisation against Newcastle disease in the presence of Marek's disease virus.
D000818:Animals; D000917:Antibody Formation; D001353:Avian Leukosis / Q000276:immunology; D001354:Avian Leukosis Virus / Q000276:immunology* / Q000472:pathogenicity; D002645:Chickens; D006385:Hemagglutination Inhibition Tests; D007114:Immunization / Q000662:veterinary*; D009521:Newcastle Disease / Q000517:prevention & control*; D014765:Viral Vaccines / Q000008:administration & dosage
D014765:Viral Vaccines