Responses of adult mallard ducks to ingested South Louisiana crude oil
Adult mallards (Anas platyrhynchos) were fed South Louisiana crude oil as 0.25 and 2.5% of the total diet for 26 weeks to assess the chronic effects of oil ingestion. Additional birds were fed diets containing either 1.0% of a paraffin mixture or clean feed. No birds died during the study, nor were their body weights significantly depressed. Oviduct weight at necropsy was greatly reduced in hens on the 2.5% oil diet and also was significantly reduced in hens on the 0.25% oil diet when compared with controls. Male reproductive organs were not atrophied by treatment. Hens on oil-treated diets laid fewer eggs than those on the control diet; however, eggs from treated hens hatched as well as those from controls when artifically incubated. Pathological or biochemical alterations were no greater in the treated birds than in controls.
- Research Organization:
- Fish and Wildlife Service, Laurel, MD
- OSTI ID:
- 6317473
- Journal Information:
- Environ. Res.; (United States), Vol. 24:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
54 ENVIRONMENTAL SCIENCES
DUCKS
SENSITIVITY
PETROLEUM
BIOLOGICAL EFFECTS
METABOLISM
BIOCHEMISTRY
COMPARATIVE EVALUATIONS
DIET
DOSE-RESPONSE RELATIONSHIPS
EGGS
INGESTION
OIL SPILLS
PATHOLOGY
POPULATIONS
REPRODUCTION
TABLES
TIME DEPENDENCE
TOXICITY
ANIMALS
BIRDS
CHEMISTRY
ENERGY SOURCES
FOSSIL FUELS
FOWL
FUELS
INTAKE
VERTEBRATES
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520200 - Environment
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