RENAL TREMATODIASIS IN CAPTIVE DOUBLE-TOOTHED BARBETS (LYBIUS BIDENTATUS)

Two double-toothed barbets (Lybius bidentatus) were swallowed and regurgitated by a snake within a free-flight aviary. Trematodes were observed histopatholgically within the renal pelvises and proximal ureters with associated mucosal hyperplasia and mild heterohistiocytic inflammation in both birds....

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Bibliographic Details
Published in:Journal of zoo and wildlife medicine 2005-03, Vol.36 (1), p.124-126
Main Authors: Rotstein, David S, Flowers, James R, Wolfe, Barbara A, Loomis, Mike
Format: Article
Language:English
Subjects:
Animals
Aviary birds
Bird Diseases - diagnosis
Bird Diseases - parasitology
Bird Diseases - transmission
Birds
BRIEF COMMUNICATIONS
Disease Reservoirs - veterinary
Double-toothed barbet
Food Chain
Infections
kidney
Kidney Diseases - diagnosis
Kidney Diseases - parasitology
Kidney Diseases - veterinary
Kidneys
Lybius bidentatus
Piciformes
Snails
Snails - parasitology
Snakes
Snakes - parasitology
Tanaisia (Tamerlania) zarudnyi
Trematode Infections - diagnosis
Trematode Infections - parasitology
Trematode Infections - transmission
Trematode Infections - veterinary
Ureter
Zoos
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Summary:Two double-toothed barbets (Lybius bidentatus) were swallowed and regurgitated by a snake within a free-flight aviary. Trematodes were observed histopatholgically within the renal pelvises and proximal ureters with associated mucosal hyperplasia and mild heterohistiocytic inflammation in both birds. Trematodes were identified as Tanaisia (Tamerlania) zarudnyi, which have a life cycle involving terrestrial snails. Trematodes have been reported within kidneys in several orders of birds, including the Columbiformes, Passeriformes, Stercorariidae, Anseriformes, Galliformes, and Piciformes. Snails were not uncommon within the barbets' aviary and may have been the source of exposure. Renal trematodiasis is probably an incidental finding in these birds because there were no clinical signs and the birds lacked pronounced histologic lesions in the kidney that would be associated with ureteral or pelvic obstruction.
ISSN:1042-7260
1937-2825
DOI:10.1638/03-119