Nematode parasites of waterfowl (Anseriformes) from western United States
Wildlife Disease
By: M.E. McDonald
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Abstract
Thirty-four species of nematodes were found in 415 Anseriformes (Anatidae) of 27 species; 93.7% of birds over 4 weeks old were infected. Data on prevalence, host specificity, age of host, and geographic distribution are given. Infections were more intense in sick birds and birds in poor physical condition. Accidental or abnormal infection was more likely in sick than in normal birds. From 1 to 13 species of nematodes are reported from each host species, including 118 new host records, 3 nematodes new for North America, and 1 new species. Multiple infections were present in 76.5% of birds parasitized; eight species of nematodes were found in one whistling swan (Olor columbianus).
Suggested Citation
McDonald, M., 1974, Nematode parasites of waterfowl (Anseriformes) from western United States: Wildlife Disease, no. 64, p. 19-19.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Nematode parasites of waterfowl (Anseriformes) from western United States |
| Series title | Wildlife Disease |
| Issue | 64 |
| Year Published | 1974 |
| Language | English |
| Publisher | U.S. Fish and Wildlife Service |
| Contributing office(s) | Northern Prairie Wildlife Research Center |
| Description | 1 p. |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Wildlife Disease |
| First page | 19 |
| Last page | 19 |