Brain cholinesterase activity of nestling great egrets, snowy egrets, and black-crowned night-herons
Journal of Wildlife Diseases
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Abstract
Inhibition of brain cholinesterase (ChE) activity in birds is often used to diagnose exposure or death from organophosphorus or carbmate pesticides. Brain ChE activity in the young of altricial species increase with age; however, this relationship has only been demonstrated in the European starling (Sturnus vulgaris). Brain ChE activity of nestling great egrets (Casmerodius albus) collected from a colony in Texas increased significantly with age and did not differ among individuals from different nests. Brain ChE activity of nestling snowy egrets (Egretta thula) and black-crowned night -herons (Nycticorax nycticorax) collected in one colony each from Rhode Island, Texas, and California also increased significantly with age and did not differ among individuals from different nests or colonies. This study further demonstrates that age must be considered when evaluating exposure of nestling altricial birds to ChE inhibitors.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Brain cholinesterase activity of nestling great egrets, snowy egrets, and black-crowned night-herons |
| Series title | Journal of Wildlife Diseases |
| DOI | 10.7589/0090-3558-25.3.359 |
| Volume | 25 |
| Issue | 3 |
| Year Published | 1989 |
| Language | English |
| Publisher | Wildlife Disease Association |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 5 p. |
| First page | 359 |
| Last page | 363 |
| Google Analytic Metrics | Metrics page |