Interference between attenuated and virulent strains of Ranikhet (Newcastle) disease virus.
D000818:Animals; D002645:Chickens; D006385:Hemagglutination Inhibition Tests; D007275:Injections, Intravenous; D009522:Newcastle disease virus; D011201:Poultry Diseases / Q000517:prevention & control*; D014765:Viral Vaccines / Q000008:administration & dosage*
D014765:Viral Vaccines