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- Title
ECTOPARASITES AFFECT HEMOGLOBIN AND PERCENTAGES OF IMMATURE ERYTHROCYTES BUT NOT HEMATOCRIT IN NESTLING EASTERN BLUEBIRDS.
- Authors
CARLETON, RENEÉ E.
- Abstract
Populations of the hematophagous mite, Dermanyssus prognephilus, within Eastern Bluebird (Sialia sialis) nests were manipulated using a pyrethrin-based insecticide to examine effects on nestling growth, selected hematological parameters, and fledging success. There was no difference in body mass, fledging success, estimated white blood cell counts, or hematocrits of infested versus non infested nestlings. However, infested nestlings had a 25.0% reduction in hemoglobin and a 20.5% increase in immature erythrocytes. These findings suggest a physiological response to parasite feeding that may affect post-fledging survival.
- Subjects
BIRD parasites; EASTERN bluebird; MITES; BIRD nests; PYRETHRINS; ERYTHROCYTES; HEMATOCRIT
- Publication
Wilson Journal of Ornithology, 2008, Vol 120, Issue 3, p565
- ISSN
1559-4491
- Publication type
Article
- DOI
10.1676/07-158.1