Pathology associated with endogenous development of haematozoa in birds from southeast Queensland

Avian Pathology : Journal of the W.V.P.A
M A PeirceP J O'Donoghue

Abstract

A study was undertaken on the pathology and associated schizont morphology of apicomplexan species of avian haematozoa. Some 32 birds from the families Artamidae, Meliphagidae, Oriolidae, Podargidae, Columbidae, Alcedinidae and Psittacidae were identified as having schizonts in various tissues. Based on blood stages observed, the probable relationship to tissue stages was considered. The majority of schizonts were referable to the genera Leucocytozoon and Haemoproteus. The comparative morphology of tissue stages previously described in the literature is discussed and the involvement of protozoa other than haematozoa considered. The naturally occurring infections in wild birds described in this study represent previously unreported data on the life-cycle stages involved. Some schizonts measured up to 640 microm. While pathological changes in some hosts were noticeable, in others no significant findings were observed. The role of endogenous stages in avian morbidity is discussed briefly.

References

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Citations

Nov 26, 2014·The Veterinary Clinics of North America. Exotic Animal Practice·Terry W Campbell
May 8, 2008·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·Taryn A DonovanIlse H Stalis
Aug 8, 2007·Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians·Shannon T FerrellNancy P Lung
Mar 4, 2017·Malaria Journal·Gediminas Valkiūnas, Tatjana A Iezhova
Jan 23, 2021·Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians·Marina García-Del-RíoSantiago Merino
Oct 10, 2006·The Veterinary Record·Tom PennycottTony Patterson
Jul 5, 2005·The Veterinary Record·Walter Tarello
Aug 17, 2019·International Journal for Parasitology. Parasites and Wildlife·Tierra C GroffRavinder N M Sehgal

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Methods Mentioned

BETA
light microscopy

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