title: Egg transmission of avian adenovirus-associated virus and CELO virus during a naturally occurring infection.
abstract: Both avian adenovirus-associated virus (A-AV) and CELO virus were isolated from the embryonating eggs of 25-week-old black sex-linked hens during a naturally occurring infection. In the first 7 days of egg collection, A-AV was isolated from 10 of 43 (23.2%) embryonating eggs, and CELO virus was isolated from 8 of 43 (18.6%) embryonating eggs. Both viruses were isolated from six eggs. In the next 16 days of egg collection, A-AV and CELO virus were coisolated from 1 of 127 (0.8%) eggs; all other samples were negative for both viruses. All six hens transmitting A-AV to eggs and 5 of 6 hens transmitting CELO virus showed seroconversions (fourfold increase in antibody concentrations). Viruses were not isolated from eggs after the hens showed a fourfold increase in antibody concentrations.
mesh_terms: D000257:Adenoviridae Infections / Q000382:microbiology / Q000635:transmission / Q000662:veterinary*; D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D000259:Aviadenovirus / Q000276:immunology / Q000302:isolation & purification; D002642:Chick Embryo / Q000382:microbiology; D002645:Chickens; D004531:Eggs; D005243:Feces / Q000382:microbiology; D005260:Female; D008297:Male; D011201:Poultry Diseases / Q000382:microbiology / Q000635:transmission*; D012526:Satellite Viruses / Q000276:immunology / Q000302:isolation & purification
chemical_list: D000914:Antibodies, Viral