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OLS Field Name OLS Field Data
Main Title Mallard Reproductive Testing in a Pond Environment: A Preliminary Study.
Author Meyers, S. M. ; Gile, J. D. ;
CORP Author Corvallis Environmental Research Lab., OR. ;Northrop Services, Inc., Corvallis, OR.
Year Published 1986
Report Number EPA/600/J-86/400;
Stock Number PB88-101621
Additional Subjects Ponds ; Insecticides ; Ducks ; Water pollution ; Reproduction(Biology) ; Feasibility ; Survival ; Weight(Mass) ; Diets ; Food consumption ; Toxicity ; Evaluation ; Phosphorus organic compounds ; Concentration(Composition) ; Reprints ; Anas platyrhynchos ; Mallard ducks ; Chlorpyrifos ; Water pollution effects(Animals)
Library Call Number Additional Info Location Last
NTIS  PB88-101621 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 06/21/1988
Collation 7p
Abstract A 2-year preliminary study was conducted on mallard ducks to determine the feasibility of using outdoor pond enclosures for reproductive studies and to evaluate the effects of the insecticide chlorpyrifos on mallard reproduction. No significant reproductive effects were observed for mallards receiving 8 ppm (mg/kg of feed) chlorpyrifos in their diet. Birds receiving 80 ppm chlopyrifos hatched significantly (p less than 0.05) fewer ducklings per successful nest (5.8) than controls (10.2). None of the ducklings on treatment ponds survived to 7 days. Control birds produced 8.4 ducklings per successful nest surviving to 7 days or longer. Birds in the 80 ppm treatment group consumed less feed than did controls(p less than 0.01). Weight loss from reduced feed consumption did not occur to the extent expected, indicating that birds supplemented their diets with natural foods found in and around the ponds. (Copyright (c) 1986 Springer-Vering New York Inc.)
Supplementary Notes Pub. in Archives of Environmental Contamination and Toxicology 15, p757-761 1986. Prepared in cooperation with Northrop Services, Inc., Corvallis, OR.
NTIS Title Notes Journal article.
Title Annotations Reprint: Mallard Reproductive Testing in a Pond Environment: A Preliminary Study.
PUB Date Free Form c1986
Category Codes 68E; 57Z; 57Y
NTIS Prices PC A02/MF A01
Primary Description 600/02
Document Type NT
Cataloging Source NTIS/MT
Control Number 733830280
Origin NTIS
Type CAT