Quesada O, Rodríguez F, Herráez P, Seara D, Espinosa de los Monteros A
Unit of Histology and Anatomic Pathology, Institute for Animal Health, Veterinary School, University of Las Palmas de Gran Canaria, Trasmontaña s/n, 35416 Arucas, Gran Canaria, Spain.
Avian Dis. 2007 Jun;51(2):643-5. doi: 10.1637/0005-2086(2007)51[643:MRAWFL]2.0.CO;2.
Three canaries showing feather loss on legs, dorsum, neck, and head, and hyperkeratosis on the feet were sacrificed because of their poor corporal condition and submitted to the Unit of Histology and Anatomic Pathology at the Veterinary School of Las Palmas de Gran Canaria. Histologically, skin revealed pronounced epidermal and follicular infundibular hyperplasia associated with orthokeratotic hyperkeratosis. Numerous fungal spores were observed on the stratum corneum of the epidermis and within feather follicles, associated with destruction of the feathers. This fungus was identified as Mucor ramosissimus. To the best of authors' knowledge, this is the first report of dermatitis and feather loss associated with Mucor ramosissimus, not only in canaries but also in birds.
三只金丝雀腿部、背部、颈部和头部出现羽毛脱落，脚部出现角化过度，因其身体状况不佳而被处死，并提交给大加那利岛拉斯帕尔马斯兽医学院的组织学和解剖病理学单位。组织学检查显示，皮肤有明显的表皮和毛囊漏斗部增生，并伴有正角化过度。在表皮角质层和毛囊内观察到大量真菌孢子，伴有羽毛破坏。这种真菌被鉴定为分枝毛霉。据作者所知，这是首次报道分枝毛霉引起的皮炎和羽毛脱落，不仅在金丝雀中，在鸟类中也是如此。
