Astrovirus-like particles associated with hepatitis in ducklings.
D000818:Animals; D004372:Ducks / Q000382:microbiology; D006524:Hepatitis, Viral, Animal / Q000382:microbiology*; D001257:Mamastrovirus / Q000302:isolation & purification*; D011201:Poultry Diseases / Q000382:microbiology*; D014713:Viruses, Unclassified / Q000302:isolation & purification*