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Cholinesterase inhibition in meadow voles Microtus pennsylvanicus following field applications of Orthene

Environmental Toxicology and Chemistry

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Abstract

Brain acetylcholinesterase activity in field-caught meadow voles (Microtus pennsylvanicus) was depressed after a field-spray of Orthene (acephate: acetylphosphoramidothioic acid O,S-dimethyl ester) by as much as 32% in 1982 and 38% in 1983. Short-term recovery was demonstrated and occurred in a time-dependent fashion in 1982. Plasma cholinesterase levels were move variable but also were depressed. Residues were detected in vegetation samples and in the gastrointestinal tracts of exposed voles. Residues in vegetation were diluted or absent 7 to 8 d following the treatment.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Cholinesterase inhibition in meadow voles Microtus pennsylvanicus following field applications of Orthene
Series title:
Environmental Toxicology and Chemistry
Volume
5
Issue:
3
Year Published:
1986
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
255-259
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Environmental Toxicology and Chemistry
First page:
255
Last page:
259