title: Experimental Newcastle disease studies in the Mallard.
mesh_terms: D000281:Administration, Intranasal; D000367:Age Factors; D000818:Animals; D000914:Antibodies, Viral; D001769:Blood / Q000382:microbiology; D001921:Brain / Q000382:microbiology; D004372:Ducks; D005260:Female; D006385:Hemagglutination Inhibition Tests; D007273:Injections, Intramuscular; D008168:Lung / Q000382:microbiology; D008297:Male; D009521:Newcastle Disease / Q000209:etiology* / Q000276:immunology / Q000382:microbiology; D009522:Newcastle disease virus / Q000302:isolation & purification; D013154:Spleen / Q000382:microbiology
chemical_list: D000914:Antibodies, Viral