[瑞士育肥鸡中传染性鸡贫血的一次暴发]
[An outbreak of infectious chicken anemia in fattening chickens in Switzerland].
作者信息
Hoop R K, Guscetti F, Keller B
机构信息
Institut für Veterinärbakteriologie, Universität Zürich.
出版信息
Schweiz Arch Tierheilkd. 1992;134(10):485-9.
PMID:1470902
Abstract
An outbreak of infectious anaemia in 46 broiler flocks due to chicken anaemia agent (CAA) is described. The vertically acquired infection led to increased mortality (3.6-19.8%) in 16 to 24 day-old broiler chickens. At necropsy severe atrophy of thymus and anaemia with pale bone marrow was observed. The histologic findings were depletion of cortical thymocytes and of hematopoietic cells in the bone marrow. The CAA was isolated from 15 of 35 examined broiler flocks.
摘要
本文描述了一起由鸡贫血病毒（CAA）引起的46个肉鸡群感染性贫血暴发事件。垂直传播感染导致16至24日龄肉鸡死亡率上升（3.6%-19.8%）。尸检时观察到胸腺严重萎缩以及伴有苍白骨髓的贫血症状。组织学检查结果显示皮质胸腺细胞和骨髓造血细胞减少。从35个受检肉鸡群中的15个分离出了CAA。
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