| Abstract: | Kidneys from 309 Interior Canada geese from three locations in the Mississippi Flyway were examined for renal coccidia. Oocysts and/or young zygotes of Eimeria sp. were found in 6.8% of goose kidneys sampled. Only one type of renal coccidian oocyst was observed. Significantly more immature geese were infected than adults; however, there was no significant difference observed between the prevalences of infection in male and female birds. A host cellular response to zygotes and oocysts was noted in the majority of infected adult geese. Heavily infected kidneys were hypertrophic with minute foci on the surface of the organ. Histological examinations showed large numbers of unsporulated oocysts accumulated in distended collecting tubules, resulting in pressure necrosis to adjacent tissue and urate retention. Zygotes were observed in the cytoplasm of tubule cells and extracellularly in interstitial tissue. Infected tubule cells were characterized by the peripheral location of the nuclei, cytoplasmic basophilia, and cellular hypertrophy. This is the first report of an Eimeria sp. in the kidneys of Canada geese of the Mississippi Valley population. |
| Genre: | Article |
| ProdID: | 1003716 |
| Citation Author: | Tuggle, B. N.; Crites, J. L. |
| Citation Contributing Office: | National Wildlife Health Center |
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| Citation End Page: | 278 |
| Citation Issue: | 4 |
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| Citation Language: | English |
| Citation Larger Work Title: | Journal of Wildlife Diseases |
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| Citation Number Of Pages: | 7 |
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| Citation Phsyical Description: | p. 272-278 |
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| Citation Search Results Text: | Renal coccidiosis in interior Canada geese, Branta canadensis interior Todd, of the Mississippi Valley population; 1984; Article; Journal; Journal of Wildlife Diseases; Tuggle, B. N.; Crites, J. L. |
| Citation Start Page: | 272 |
| Citation Volume: | 20 |
| Citation Year: | 1984 |
| Type: | citation/reference |
| Text: | Renal coccidiosis in interior Canada geese, Branta canadensis interior Todd, of the Mississippi Valley population; 1984; Article; Journal; Journal of Wildlife Diseases; Tuggle, B. N.; Crites, J. L. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (INDEX PAGE): | http://www.jwildlifedis.org/cgi/content/abstract/20/4/272 |
| Date Other: | Sun, 1 Jan 1984 00:00 -0600 |
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