Brain lesions in mallard ducklings from parents fed methylmercury
Avian Diseases
By: G. H. Heinz and L. N. Locke
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Abstract
Methylmercury dicyandiamide was fed to mallard ducks at 3 ppm mercury. Mercury accumulated in the eggs to an average of 7.18 and 5.46 ppm on a wet-weight basis in 2 successive years. Mercury in the eggs is believed to have caused brain lesions in the hatched ducklings. Lesions included demyelination, neuron shrink-age, necrosis, and hemorrhage in the meninges overlying the cerebellum. Brains of dead ducklings contained an average of 6.17 and 5.19 ppm mercury on a wet-weight basis in 2 successive years.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Brain lesions in mallard ducklings from parents fed methylmercury |
| Series title | Avian Diseases |
| DOI | 10.2307/1589469 |
| Volume | 20 |
| Issue | 1 |
| Year Published | 1976 |
| Language | English |
| Publisher | American Association of Avian Pathologists |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 9 p. |
| First page | 9 |
| Last page | 17 |
| Google Analytic Metrics | Metrics page |