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  • Title: Residues of chlorinated hydrocarbons in tissues of raptors in Florida.
    Author: Sundlof SF, Forrester DJ, Thompson NP, Collopy MW.
    Journal: J Wildl Dis; 1986 Jan; 22(1):71-82. PubMed ID: 3951065.
    Abstract:
    Dead or moribund raptors (n = 75) representing 11 species were collected between 1971 and 1981 from various locations in Florida. Samples of bran, muscle, liver and adipose tissue were analyzed for DDT, DDE, DDD, dieldrin, and PCB's. Detectable concentrations of DDT or its metabolites were found in 100% of all samples of muscle and liver, and 77% all samples of brain. Dieldrin was determined to be present in 91%, 93%, 87% and 78% of all samples of brain, muscle, liver and adipose tissue, respectively. Lethal or hazardous concentrations of dieldrin were found in brain samples from three birds, but DDT and PCB's were present at sublethal concentrations. When species were grouped according to their dietary habits, it was not possible to identify any trends in pesticide concentrations.
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