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The prevalence and pathogenicity of gizzard nematodes of the genera Amidostomum and Epomidiostomum (Trichostrongylidae) in the lesser snow goose (Chen caerulescens caerulescens)

Canadian Journal of Zoology

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DOI: 10.1139/z84-269

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Abstract

Three species of trichostrongylid nematodes were removed from the gizzards of 25 lesser snow geese, Chen caerulescens caerulescens, collected at Winisk, Ont. A 100% prevalence of infection was noted in the sampled population with each bird harboring two or more of the following species: Epomidiostomum crami (prevalence, 92%; mean intensity, 18.7 ± 13.3), Amidostomum anseris (prevalence, 84%; mean intensity, 9.6 ± 9.8), and Amidostomum spatulatum (prevalence, 84%; mean intensity, 11.2 ± 9.8). When large burdens (>30) of both A. anseris and A. spatulatum were present in the mucosal lining of the gizzard, progressive degeneration of the epithilium and koilin linings was noted in 16% of the geese examined. Severe necrotic granulomata observed in the gizzard muscle of 36% of the geese were associated with sizable burdens (>25) of E. crami which were found burrowed in the gizzard muscle.

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Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
The prevalence and pathogenicity of gizzard nematodes of the genera Amidostomum and Epomidiostomum (Trichostrongylidae) in the lesser snow goose (Chen caerulescens caerulescens)
Series title:
Canadian Journal of Zoology
DOI:
10.1139/z84-269
Volume
62
Issue:
9
Year Published:
1984
Language:
English
Publisher:
NRC Research Press
Publisher location:
Ottawa, Ontario
Contributing office(s):
National Wildlife Health Center
Description:
4 p.
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Canadian Journal of Zoology
First page:
1849
Last page:
1852
Number of Pages:
4
Country:
Canada
State:
Ontario
City:
Winisk
Online Only (Y/N):
N
Additional Online Files(Y/N):
N