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1 January 1996 Mortality of Passerines Adjacent to a North Carolina Corn Field Treated with Granular Carbofuran
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Abstract

Red-winged blackbirds (Agelaius phoeniceus) were collected during an epizootic in southeastern North Carolina (USA). Activity of brain cholinesterase (ChE) was inhibited by 14 to 48% in three of five specimens, and returned to normal levels after incubation. Gastrointestinal tracts were analyzed for 30 anti-ChE agents. Carbofuran, the only compound detected, was present in all specimens at levels from 5.44 to 72.7 μg/g wet weight. Application of granular carbofuran in an adjacent corn field, results of necropsy examinations, and chemical analyses are consistent with a diagnosis of carbofuran poisoning in these specimens.

Augspurger, Smith, Meteyer, and Converse: Mortality of Passerines Adjacent to a North Carolina Corn Field Treated with Granular Carbofuran
Tom Augspurger, Milton R. Smith, Carol U. Meteyer and Kathryn A. Converse "Mortality of Passerines Adjacent to a North Carolina Corn Field Treated with Granular Carbofuran," Journal of Wildlife Diseases 32(1), (1 January 1996). https://doi.org/10.7589/0090-3558-32.1.113
Received: 23 June 1994; Accepted: ; Published: 1 January 1996
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