Immunizing breeder ducks with chien embryo-propagated duck patitis virus for production of parental immunity in their progenies.
D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn / Q000276:immunology; D001947:Breeding; D002642:Chick Embryo; D004372:Ducks / Q000276:immunology*; D006506:Hepatitis A / Q000662:veterinary; D006518:Hepatitis Viruses / Q000276:immunology*; D007273:Injections, Intramuscular