Journal
JOURNAL OF ZOO AND WILDLIFE MEDICINE
Volume 42, Issue 1, Pages 164-165Publisher
AMER ASSOC ZOO VETERINARIANS
DOI: 10.1638/2010-0143.1
Keywords
Dispharynx nasuta; Platycercus elegans; Platycercus eximius; proliferative proventriculitis; Psittaciformes
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Two adult male Crimson rosellas (Platycercus elegans) and an adult female eastern rosella (Platycercus eximius) were found dead in their cages in a private aviary in March 2009, April 2010, and February 2010, respectively, without premonitory signs. Their postmortem examination showed pectoral muscle atrophy and a distended proventriculus. The proventricular mucosal surface was covered with a gelatinous, whitish material, where a large number of nematode parasites identified as Dispharynx nasuta were present. A histologic examination revealed a hyperplastic mucosa, spirurid nematodes in the mucosal layer and inflammatory mononuclear cells in the lamina propria. This is the first report of a D. nasuta infection associated with proliferative proventriculitis and subsequent death in psittacine birds.
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