[On the spray immunization of chicken against Newcastle disease].
D000818:Animals; D009521:Newcastle Disease / Q000276:immunology / Q000517:prevention & control*; D011201:Poultry Diseases / Q000276:immunology; D014611:Vaccination; D014765:Viral Vaccines
D014765:Viral Vaccines
Zur Sprayimmunisierung der Hühner gegen Newcastle-Disease.