Accumulation of 14C-naphthalene in the tissues of redhead ducks fed oil-contaminated crayfish

Tarshis, I.B.; Rattner, B.A.

Abstract:

Crayfish, artificially contaminated with14C-naphthalene-5% water-soluble fraction of No. 2 fuel oil, were force-fed to one-year-old redhead ducks to determine the accumulation of petroleum hydrocarbons. The relative distribution of carbon-14 activity in the gall bladder containing bile, and fat were similar, and significantly greater (P < 0.05) than the activity in the blood, brain, liver, and kidney. There was a significant increase (P < 0.05) in the disintegrations per minute per gram (dpm/g) in the blood, brain, kidney, and liver between days 1 and 3 of feeding, indicating a progressive accumulation of carbon-14 activity (naphthalene and presumably its metabolites). There was no significant effect of sex or the interaction of the duration of feeding and sex on carbon-14 activity in any of the tissues. The low daily dose of petroleum hydrocarbons (a total of approximately 1.25 mg/day) received by the ducks from the crayfish and the relatively short feeding regimen did not cause any overt signs of toxicity in the ducks.

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Article

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5221736

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Tarshis, I.B.; Rattner, B.A.

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Patuxent Wildlife Research Center

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159

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English

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Archives of Environmental Contamination and Toxicology

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155-159

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Accumulation of 14C-naphthalene in the tissues of redhead ducks fed oil-contaminated crayfish; 1982; Article; Journal; Archives of Environmental Contamination and Toxicology; Tarshis, I.B.; Rattner, B.A.