Avian adenovirus, strain, Fiber-2 protein, vaccine, subunit vaccine and application

The invention belongs to the technical field of biology, and discloses an avian adenovirus, the classification name of which is group I type 4 avian adenovirus FAdV-YSHN (Avian adenovirus FAdV-YSHN); the preservation number is CCTCC (China Center For Type Culture Collection) NO: V202302; the preservation date is May 23, 2023, and the preservation unit is China Center for Type Culture Collection. The virus has very strong immunogenicity after being used as a vaccine. Meanwhile, the invention further discloses a strain, a Fiber-2 protein, a vaccine, a subunit vaccine and application. Particularly, it needs to be emphasized that the vaccine adopts the combination of the fowl adenovirus and the Fiber-2 protein, and the inactivated vaccine can provide effective immune protection for attack of the fowl adenovirus (group I type 4), shows an excellent immune effect and is longer in immune duration. 本发明属于生物技术领域，公开了一株禽腺病毒，分类名为Ⅰ群4型禽腺病毒FAdV-YSHN（Avian adenovirus FAdV-YSHN）；保藏编号为：CCTCC NO:V202302；保藏日期：2023年5月23日，保藏单位：中国典型