Mucor ramosissimus associated with feather loss in canaries (Serinus canarius). 2007

O Quesada, and F Rodríguez, and P Herráez, and D Seara, and A Espinosa de los Monteros
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. oquesada@becarios.ulpgc.es

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.

UI MeSH Term Description Entries
D009089 Mucor A genus of zygomycetous fungi of the family Mucoraceae, order Mucorales. It is primarily saprophytic, but may cause MUCORMYCOSIS in man from spores germinating in the lungs. Mucors
D009091 Mucormycosis Infection in humans and animals caused by any fungus in the order MUCORALES (e.g., RHIZOPUS; MUCOR; CUNNINGHAMELLA; APOPHYSOMYCES; ABSIDIA; SAKSENAEA and RHIZOMUCOR) There are many clinical types associated with infection including central nervous system, lung, gastrointestinal tract, skin, orbit and paranasal sinuses. In humans, it usually occurs as an OPPORTUNISTIC INFECTION. Mucorales Infection,Mucorales Infections,Mucormycoses,Infection, Mucorales,Mucormycose
D003872 Dermatitis Any inflammation of the skin. Dermatitides
D005241 Feathers Flat keratinous structures found on the skin surface of birds. Feathers are made partly of a hollow shaft fringed with barbs. They constitute the plumage. Feather
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001715 Bird Diseases Diseases of birds not considered poultry, therefore usually found in zoos, parks, and the wild. The concept is differentiated from POULTRY DISEASES which is for birds raised as a source of meat or eggs for human consumption, and usually found in barnyards, hatcheries, etc. Avian Diseases,Avian Disease,Bird Disease,Disease, Avian,Disease, Bird,Diseases, Avian,Diseases, Bird
D046369 Finches Common name for small PASSERIFORMES in the family Fringillidae. They have a short stout bill (BEAK) adapted for crushing SEEDS. Some species of Old World finches are called CANARIES. Finch

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