Distribution of ingested americium in chickens and transport to eggs. Final report, 1975
Technical Report
·
OSTI ID:7292213
The soluble citrate complex of americium-241 was orally administered to 20 white Leghorn laying hens daily for two weeks. The yolks, whites, and shells from the eggs were analyzed for their americium content. Yolk was the only egg fraction in which radioactivity was observed. The americium-241 activity in yolks reached a maximum on the 14th day of dosing. Biological half-times of 2.00 plus or minus 0.18 days and greater than 33 days were indicated by the average concentration values of americium-241 in yolks laid after the maximum activity was reached. The hens were serially sacrificed at 1, 10, and 20 days after the final administration of americium-241. Tissue samples were collected and the americium content determined in the edible portions and feathers of the hens. Americium was detected in most tissues shortly after dosing; the main concentrations were found in the liver and the skeleton. The highest concentration per organ (3.03 X 0.001 percent of the dose) occurred in the liver of the hens sacrificed 10 days after final administration of americium-241. (GRA)
- Research Organization:
- Environmental Protection Agency, Las Vegas, NV (USA). Environmental Monitoring and Support Lab.
- OSTI ID:
- 7292213
- Report Number(s):
- PB-256698; EPA-600/3-76/058
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560172* -- Radiation Effects-- Nuclide Kinetics & Toxicology-- Animals-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
AMERICIUM 241
AMERICIUM ISOTOPES
ANIMALS
BIRDS
CHICKENS
DISTRIBUTION
EGGS
FOWL
HEAVY NUCLEI
INGESTION
INTAKE
ISOTOPES
METABOLISM
NUCLEI
ODD-EVEN NUCLEI
RADIOISOTOPES
RADIONUCLIDE KINETICS
TISSUE DISTRIBUTION
VERTEBRATES
YEARS LIVING RADIOISOTOPES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
AMERICIUM 241
AMERICIUM ISOTOPES
ANIMALS
BIRDS
CHICKENS
DISTRIBUTION
EGGS
FOWL
HEAVY NUCLEI
INGESTION
INTAKE
ISOTOPES
METABOLISM
NUCLEI
ODD-EVEN NUCLEI
RADIOISOTOPES
RADIONUCLIDE KINETICS
TISSUE DISTRIBUTION
VERTEBRATES
YEARS LIVING RADIOISOTOPES