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Syngamus asphyxiation in a captive ring-necked pheasant
Katy A Martin1, Jeba R J Jesudoss Chelladurai1, Yuko Sato2
1Department of Veterinary Pathology, College of Veterinary Medicine, Iowa State University, USA.
Veterinary Parasitology, Regional Studies and Reports
|December 14, 2020
Summary
A ring-necked pheasant died from a Syngamus worm infection that blocked its trachea. Further genetic analysis is needed to identify the specific Syngamus species, aiding future diagnoses in birds.
Area of Science:
- Avian pathology
- Parasitology
- Veterinary diagnostics
Background:
- Chronic wasting disease in birds can be caused by parasitic infections.
- Tracheal obstruction is a severe condition that can lead to mortality in avian species.
- The genus Syngamus is known to parasitize the respiratory tracts of various bird species.
Observation:
- A deceased ring-necked pheasant (Phasianus colchicus) exhibited signs of chronic wasting.
- Necropsy revealed nematode parasites, identified as Syngamus spp., partially obstructing the trachea.
- Phylogenetic analysis was insufficient to determine the precise species of Syngamus.
Findings:
- Syngamus spp. were confirmed as the cause of tracheal obstruction in the pheasant.
- The study highlights the pathogenic potential of Syngamus in galliform birds.
- Genetic identification of the Syngamus species was inconclusive due to limited data.
Implications:
- Accurate identification of Syngamus species is crucial for effective treatment and control strategies.
- Further genetic data collection from avian Syngamus specimens is warranted.
- This case underscores the importance of considering parasitic causes in avian wasting syndromes.
