title: Incidence and distribution of "avian adenovirus group II splenomegaly of chickens".
abstract: Forty-six percent of 3,585 serum samples from 174 broiler-breeder chicken flocks in 9 states were positive for the precipitating antibody of hemorrhagic enteritis (HE) of turkeys/marble spleen disease (MSD) of pheasants. Seroconversion was detected only in flocks 19 weeks of age and older. The percent of individual serum samples positive within a flock increased with the age of the flock.
mesh_terms: D000257:Adenoviridae Infections / Q000453:epidemiology / Q000276:immunology / Q000662:veterinary*; D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D000259:Aviadenovirus / Q000276:immunology; D002645:Chickens; D011201:Poultry Diseases / Q000453:epidemiology* / Q000276:immunology; D013163:Splenomegaly / Q000453:epidemiology / Q000276:immunology / Q000662:veterinary*; D014481:United States
chemical_list: D000914:Antibodies, Viral