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Aspergillosis in hihi (Notiomystis cincta) on Mokoia Island.
MedLine Citation:
PMID:  16032079     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
AIM: An intensive 2-year field study of 65 hihi (or stitchbirds) on Mokoia Island provided an opportunity to investigate the causes of mortality of this endangered species in a free-living environment. METHODS: The birds were observed daily during the breeding season (October to March) and every 4 weeks during the remainder of the year. Any abnormalities in behaviour, voice and body weight were recorded and all sick or dead birds which could be recovered were taken to the laboratory for necropsy. RESULTS: Thirty-one birds died during the period of this study. Aspergillosis was found to be the cause of death in six of nine adult birds examined post mortem. Some of the affected birds experienced subtle voice changes before becoming ill and all birds had granulomatous lesions in airsacs or lungs at necropsy. A further eight birds for which carcasses could not be found or which were autolysed showed similar clinical signs before death or disappearance. CONCLUSION: Because Aspergillus is an opportunist pathogen it seems likely that affected birds were immunosuppressed. This may have occurred during the breeding season which in this species is highly stressful. The presence of fungal material in bronchial exudate and the occurrence of the disease in mates, raises the possibility that aspergillosis in hihi may be contagious.
Authors:
M R Alley; I Castro; J E Hunter
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  New Zealand veterinary journal     Volume:  47     ISSN:  0048-0169     ISO Abbreviation:  N Z Vet J     Publication Date:  1999 Jun 
Date Detail:
Created Date:  2005-07-20     Completed Date:  2005-09-26     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0021406     Medline TA:  N Z Vet J     Country:  New Zealand    
Other Details:
Languages:  eng     Pagination:  88-91     Citation Subset:  -    
Affiliation:
Institute of Veterinary Animal and Biomedical Sciences, Massey University, Private Bag 11222, Palmerston North, New Zealand.
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