Effect of skin removal on estimated levels of organochlorine pesticide contamination in passerine birds

Ovenbirds salvaged at a television-tower kill in Illinois were used to assess the effect of skin removal on the determination of organochlorine-pesticide levels in passerine birds. One group of birds was skinned; one group was plucked; and one group was halved, with one half skinned and the other ha...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 1998-11, Vol.61 (5), p.658-663
Main Authors: Frick, J.A. (Illinois Wesleyan University, Bloomington, IL.), Klemens, J.A, Harper, R.G, Capparella, A.P
Format: Article
Language:English
Subjects:
Animal, plant and microbial ecology
Animals
Applied ecology
Aves
Biological and medical sciences
BIRDS
COMPOSE ORGANOCHLORE
COMPUESTO ORGANICO DEL CLORO
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on vertebrates
Environmental Monitoring - methods
Fundamental and applied biological sciences. Psychology
Hydrocarbons, Chlorinated
ILLINOIS
Insecticides - analysis
OISEAU
ORGANOCHLORINE COMPOUNDS
PAJAROS
PESTICIDE
PESTICIDES
PLAGUICIDAS
Skin - chemistry
Songbirds - metabolism
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Summary:Ovenbirds salvaged at a television-tower kill in Illinois were used to assess the effect of skin removal on the determination of organochlorine-pesticide levels in passerine birds. One group of birds was skinned; one group was plucked; and one group was halved, with one half skinned and the other half plucked prior to analysis. Results revealed the presence of DDT, p,p'-DDE, dieldrin, and heptachlor epoxide in the carcasses. No statistically significant difference was found in pesticide-residue levels between skinned and plucked birds. In three carcasses, however, that contained relatively high levels of p,p'-DDE, levels were substantially higher in the plucked than in the skinned halves, which suggested that skinning may lead to underestimation of organochlorine-pesticides levels when levels are high.
ISSN:0007-4861
1432-0800
DOI:10.1007/s001289900811