Immunization field trials in susceptible white Pekin ducklings against duck virus hepatitis with modified-liver-virus vaccines.
D000818:Animals; D004372:Ducks / Q000276:immunology*; D006520:Hepatitis, Animal / Q000276:immunology*; D008099:Liver / Q000382:microbiology; D009500:Neutralization Tests; D010849:Picornaviridae / Q000276:immunology* / Q000302:isolation & purification; D011201:Poultry Diseases / Q000276:immunology*; D013997:Time Factors; D014611:Vaccination; D014765:Viral Vaccines; D014776:Virus Cultivation
D014765:Viral Vaccines