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Brain cholinesterase activities of birds from forests sprayed with trichlorfon (Dylox) and carbaryl (Sevin-4-oil)

Bulletin of Environmental Contamination and Toxicology

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Abstract

Brain cholinesterase activities were determined in birds from forests sprayed with Dylox2 at 1.13 kg/hectare (1 lb/acre ? active ingredient [a.i.]) or Sevin-4-oil2 at 1.13 kg/hectare (1 lb/acre ? a.i.) for up to 5 days postspray. Of ten bird species evaluated from the Dylox spray area, four species represented by six individuals had values which were depressed more than 2 standard deviations below the mean. Three of these activities (two species) were about 20% less than the mean. Of 12 species evaluated from the Sevin-4-oil spraying, three individuals representing three species had depressed values. One value was depressed greater than 20% below the mean. Half of the depressed activities were in canopy-dwelling birds collected on the day of spray.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Brain cholinesterase activities of birds from forests sprayed with trichlorfon (Dylox) and carbaryl (Sevin-4-oil)
Series title:
Bulletin of Environmental Contamination and Toxicology
Volume
17
Issue:
4
Year Published:
1977
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
379-386
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
379
Last page:
386
Number of Pages:
8