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==Description==
==Description==
Aspergillosis is a disease of the respiratory system caused by several [[Aspergillus]] spp. Commonly affected species include birds, dogs, cats, horses and cattle but the disease has been reported in many other wild and domestic species.
Aspergillosis is a disease of the respiratory system caused by several [[Aspergillus]] spp. A. fumigatus is the most frequently reported species in domestic animals. Commonly affected species include birds, dogs, cats, horses and cattle but the disease has been reported in many other wild and domestic species.
==Clinical signs==
===Birds===
In avian species the disease manifests as a diffuse infection of the [[Avian Respiration - Anatomy & Physiology#Air Sacs|air sacs]]. Two forms of the disease have been reported; a diffuse pneumonic form and a nodular form involving the [[Avian Respiration - Anatomy & Physiology#Avian Lungs|lungs]]. Clinical signs include diarrhoes, listlessness, pyrexia, loss of appetite and loss of condition. Seizures may occasionally occur.
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{| align="right"
|<gallery>Image:Aspergillus swan.jpg|<center><p>'''Aspergillus in a swan'''</p><sup>Copyright Professor Andrew N. Rycroft, BSc, PHD, C. Biol.F.I.Biol., FRCPath</sup></center></gallery>
|<gallery>Image:Aspergillus swan.jpg|<center><p>'''Aspergillus in a swan'''</p><sup>Copyright Professor Andrew N. Rycroft, BSc, PHD, C. Biol.F.I.Biol., FRCPath</sup></center></gallery>