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Main Title Age-Dependent Changes in Activity of Mallard Plasma Cholinesterases.
Author Bennett, R. S. ; Bennett, J. K. ;
CORP Author Corvallis Environmental Research Lab., OR. ;NSI Technology Services Corp., Corvallis, OR.
Publisher c1991
Year Published 1991
Report Number EPA/600/J-92/325;
Stock Number PB92-232875
Additional Subjects Cholinesterase ; Ducks ; Aging(Biology) ; Blood ; Butyrylcholinesterase ; Acetylcholinesterase ; Pesticides ; Cholinesterase inhibitors ; Reprints ;
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NTIS  PB92-232875 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 3p
Abstract Plasma acetylcholinesterase (AChE) and butrylcholinesterase (BChE) activity was measured repeatedly in 27 mallard (Anas platyrhynchos) ducklings between 7 and 85 days of age to determine age-dependent changes in enzyme activity. Plasma AChE, BChe, and total cholinesterase (ChE) activity decreased significantly with age. The relative proportion of AChE in total ChE activity also decreased slightly with age. Since some anti ChE chemicals can selectively inhibit AChE or BChE activity, characterization of age-dependent changes in the activity of each enzyme may be necessary to accurately identify the occurrence of pesticide exposure.
Supplementary Notes Pub. in Jnl. of Wildlife Diseases 27, n1 p116-118 1991. Prepared in cooperation with NSI Technology Services Corp., Corvallis, OR.
NTIS Title Notes Journal article.
Title Annotations Reprint: Age-Dependent Changes in Activity of Mallard Plasma Cholinesterases.
Category Codes 57F; 57S
NTIS Prices PC A01/MF A01
Primary Description 600/02
Document Type NT
Cataloging Source NTIS/MT
Control Number 231129089
Origin NTIS
Type CAT