Recovery of cholinesterase activity in five avian species exposed to dicrotophos, an organophosphorus pesticide

Fleming, W.J.; Grue, C.E.

Abstract:

The responses of brain and plasma cholinesterase (ChE) activities were examined in mallard ducks, bobwhite quail, barn owls, starlings, and common grackles given oral doses of dicrotophos, an organophosphorus insecticide. Up to an eightfold difference in response of brain ChE activity to dicrotophos was found among these species. Brain ChE activity recovered to within 2 SD of normal within 26 days after being depressed 55 to 64%. Recovery of brain ChE activity was similar among species and followed the model Y = a + b (log10X).

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Article

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5221701

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Fleming, W.J.; Grue, C.E.

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Patuxent Wildlife Research Center

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135

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English

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Pesticide Biochemistry and Physiology

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129-135

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Recovery of cholinesterase activity in five avian species exposed to dicrotophos, an organophosphorus pesticide; 1981; Article; Journal; Pesticide Biochemistry and Physiology; Fleming, W.J.; Grue, C.E.