Detection and Management of Air Sac Trematodes (Szidatitrema Species) in Captive Multispecies Avian Exhibits

Journal of Avian Medicine and Surgery
Kristina M DelaskiKathryn C Gamble

Abstract

From 2 exhibits in a zoological collection, 2 juvenile fairy bluebirds ( Irena puella ) and 1 adult blue-grey tanager (Thraupis episcopus) died within 3 months of one another. The cause of death was attributed to air sac trematodes, which were identified as Szidatitrema species based on morphology of adult trematodes and miracidia isolated from a snail intermediate host. To determine the extent of trematodiasis in the collection, individual exhibits within the same building as the original presenting cases were assessed, with birds representing 27 avian species from 9 orders. Sampling consisted of individual (n = 244) and pooled same-species group (n = 193) fecal examinations, and for some individuals, and tracheal swab (n = 106), resulting in a total of 543 samples. In addition, tracheal swabs were performed on 14 birds for comparative cytology, but no parasites were found. Flukes were positively identified in 4 tracheal swab samples (4%), 37 individual fecal samples (15%), and 52 of the group fecal samples (27%). When results of the swab method were compared with those of fecal examination, fecal testing was significantly associated (P < .001) with positive results. Based on these results, a screening process was instituted o...Continue Reading

References

Oct 23, 2012·Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians·Cédric LibertNicolas Keck
Nov 20, 2012·Journal of Avian Medicine and Surgery·Lee C EmeryMarcy J Souza

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Citations

Feb 15, 2020·Avian Pathology : Journal of the W.V.P.A·David B NeedleMichael M Garner
Apr 24, 2019·International Journal for Parasitology. Parasites and Wildlife·Livio GalosiStefania Perrucci
Aug 10, 2021·The Veterinary Clinics of North America. Exotic Animal Practice·Ellen K Rasidi, Juan Cornejo

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Methods Mentioned

BETA
lavage

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