Subclinical cyathostomiasis and unidentified helminthiasis in a juvenile emu (Dromaius novaehollandiae)

The nematode Cyathostoma variegatum (a lungworm) was present in the distal trachea and proximal bronchi an 8-mo-old emu that was euthanatized after fracturing the left tibiotarsus. Clinical signs of infection were not present prior to euthanasia and abnormalities were not noted on gross or histologi...

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Bibliographic Details
Published in:Avian diseases 1997-10, Vol.41 (4), p.993-996
Main Authors: Rickard, L.G. (Mississippi State Umiversity, Mississippi State, MS.), Steinohrt, L.A, Black, S.S
Format: Article
Language:English
Subjects:
Adrenal Glands - parasitology
Adrenal Glands - pathology
Animals
ASYMPTOMATIC INFECTIONS
Bird Diseases - diagnosis
Bird Diseases - parasitology
Bird Diseases - pathology
Birds
BODY PARTS
BRONCHI
Bronchi - parasitology
Bronchi - pathology
Case Reports
CASE STUDIES
Connective tissues
CYATHOSTOMA
CYATHOSTOMA VARIEGATUM
Eggs
EMUS
Female
Genera
Helminthiasis, Animal - diagnosis
Helminthiasis, Animal - pathology
HELMINTHS
Helminths - isolation & purification
Infections
Kidney - parasitology
Kidney - pathology
LATENT INFECTIONS
Macrophages
MISSISSIPPI
NEMATODA
Nematode eggs
NEMATODE INFECTIONS
Nematodes
ORGANS
OVA
Parasite Egg Count - veterinary
Respiratory System - parasitology
Respiratory System - pathology
Strongylida Infections - diagnosis
Strongylida Infections - pathology
Strongylida Infections - veterinary
Strongyloidea - isolation & purification
TRACHEA
Trachea - parasitology
Trachea - pathology
Veterinary medicine
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Description
Summary:The nematode Cyathostoma variegatum (a lungworm) was present in the distal trachea and proximal bronchi an 8-mo-old emu that was euthanatized after fracturing the left tibiotarsus. Clinical signs of infection were not present prior to euthanasia and abnormalities were not noted on gross or histologic examination of the respiratory tract. The absence of respiratory signs in this and other emus underscores the need for routine fecal examinations to interrupt the inadvertent spread of this potentially life-threatening parasite. In addition to the lungworms, large helminth eggs were present in renal and reproductive tissue. Egg morphology was suggestive of species of Deletrocephalus or Paradeletrocephalus. The mechanism by which these eggs became lodged in this ectopic site is unknown
ISSN:0005-2086
1938-4351
DOI:10.2307/1592359