Blue wing disease of chickens: experimental infection with a Swedish isolate of chicken anaemia agent and an avian reovirus.

摘要: Summary Isolates of an avian reovirus and chicken anaemia agent (CAA) from a field case blue wing disease (BWD) in Sweden were inoculated into groups SPF, one‐day‐old chicks as follows: Expt 1, organ suspension the case; 2, selected non‐purified isolate grown embryo liver cells. 3, plaque‐purified strain; 4, CAA 5, combination (from 3) 4). The inoculations given intraperitoneally.In sixth experiment isolates intramuscularly. Expts 5 6 became ill after two weeks, several birds died or killed when moribund between 13 22 days age. These had lesions similar to those found cases BWD, i.e., atrophy thymus bursa Fabricius petechial haemorrhages skin. All them atrophie bone marrow. with cloned strain (Expt CA...