Patterns of PCB accumulation by fry of lake trout

Journal Article · Tue Sep 01 04:00:00 EDT 1981 · Bull. Environ. Contam. Toxicol.; (United States)

DOI:https://doi.org/10.1007/BF01611034· OSTI ID:6024927

Mac, M T; Seelye, J G

A study examining the accumulation pattern of PCBs by lake trout fry exposed through the period of yolk absorption and the onset of feeding is presented. The PCB uptake pattern was examined by exposing the fry to a nominal concentration of 50 ng/l PCB (Aroclor 1254) for 48 days. The fry were sampled and analyzed for PCB concentration seven times during the exposure. The patterns of PCB concentration in the lake trout fry appeared similar, regardless of how the data were expressed (wet weight concentration, dry weight concentration, or body burden). PCBs in exposed fry increased slowly, peaked at day 32 (just before yolk absorption was complete) and decreased by day 48. Although these patterns appeared similar, important differences in the relative changes in PCB levels of exposed fry became evident when the different ways of expressing the uptake data were compared. It was determined that physiological changes in the fry through yolk absorption and initial feeding were responsible for the differences between PCB levels based on wet weight, dry weight, and body burden.

• Research Organization: Great Lakes Fishery Lab., Ann Arbor, MI
• OSTI ID: 6024927
• Journal Information: Bull. Environ. Contam. Toxicol.; (United States), Journal Name: Bull. Environ. Contam. Toxicol.; (United States) Vol. 27:3; ISSN BECTA
• Country of Publication: United States
• Language: English

Related Subjects

560305* -- Chemicals Metabolism & Toxicology-- Vertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ABSORPTION
ANIMALS
AQUATIC ORGANISMS
AROMATICS
BIOLOGICAL EFFECTS
CHLORINATED AROMATIC HYDROCARBONS
CONTAMINATION
EGGS
FISHES
GROWTH
HALOGENATED AROMATIC HYDROCARBONS
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
QUANTITY RATIO
TIME DEPENDENCE
TOXICITY
TROUT
UPTAKE
VERTEBRATES