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Chlordane in birds: A study of lethal residues and loss rates

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Abstract

Lethal residues of heptachlor epoxide in brains of birds fed heptachlor ranged from 9 to 27 ppm wet weight; residues of oxychlordane in birds fed oxychlordane ranged from 6 to 16 ppm; both were diagnostically distinct from those in equally exposed survivors. In birds fed chlordane, brains of those that died contained less than 30% of these amounts but also contained trans-nonachlor, compound C, and compound E, suggesting additivity or synergism. In birds fed chlordane followed by untreated feed, oxychlordane was most persistent; trans-nonachlor, heptachlor epoxide, and compounds C and E followed, in that order. Loss rates were best expressed on a wet weight basis because lipid-based rates were distorted by seasonal weight gains.

Additional Publication Details

Publication type:
Book chapter
Publication Subtype:
Book Chapter
Title:
Chlordane in birds: A study of lethal residues and loss rates
Year Published:
1979
Language:
English
Publisher:
Elsevier/North Holland
Publisher location:
New York
Contributing office(s):
Patuxent Wildlife Research Center
Description:
xiv, 480
Larger Work Type:
Book
Larger Work Subtype:
Other Government Series
Larger Work Title:
Toxicology and Occupational Medicine. Proceedings of the Tenth Inter-American Conference on Toxicology and Occupational Medicine. Key Biscayne (Miami), Florida
First page:
387
Last page:
396