1992
DOI: 10.1002/etc.5620110908
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Polychlorinated biphenyl residues and egg mortality in double‐crested cormorants from the great lakes

Abstract: We evaluated the overall potency of polychlorinated biphenyl (PCB)‐containing extracts from double‐crested cormorant (Phalacrocorax auritis) eggs with an in vitro bioassay system, the H4IIE rat hepatoma cell bioassay. Results from the H4IIE bioassay were strongly correlated with the hatching success of eggs in the colonies, whereas conventional methods of PCB analysis correlated poorly with hatching success of eggs from the same colonies. These observations suggest that even though concentrations of total PCB … Show more

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Cited by 187 publications
(70 citation statements)
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“…Probably this correlation might improve further if Toxicological Equivalent Concentrations (TEC) were used. On a colony level, Tillitt et al (1992), did indeed find a correlation between TECs and egg mortality in double-crested cormorants.…”
Section: Final Remarksmentioning
confidence: 89%
See 1 more Smart Citation
“…Probably this correlation might improve further if Toxicological Equivalent Concentrations (TEC) were used. On a colony level, Tillitt et al (1992), did indeed find a correlation between TECs and egg mortality in double-crested cormorants.…”
Section: Final Remarksmentioning
confidence: 89%
“…data D. V. Weseloh in Environment Canada et al, 1991;[9] Noble & Burns, 1990;[lo] Somers et al, 1993;[ll] Tillitt et al, 1992;[12] Heinz et al, 1985;[13] King & Krynitsky, 1986;[14] Yamashita et al, 1993. p,p'-DDE is a major factor in causing birds to lay thinner eggs, although the mechanism…”
Section: Eggshell Thinningmentioning
confidence: 99%
“…A series of investigations in the Great Lakes has revealed high concentrations of TCDD-EQs in populations of birds inhabiting the Fox River and Green Bay, WI (Tillitt et al, , 1991b(Tillitt et al, , 1992Jones et al, 1993bJones et al, , 1994Ludwig et al, 1996). Where concentrations of TCDD-EQs in birds from both reference and contaminated sites are reported, relative levels of PHHs can be approximated based on mean concentrations.…”
Section: B H4iie Toxic Equivalents (Tcdd-eqs) In Field Studies and Bmentioning
confidence: 99%
“…Nevertheless, there is a substantial body of information indicating that concentrations of organochlorine chemicals, mercury (Hg), and other persistent contaminants in fish may remain sufficiently elevated to harm fish and wildlife in some areas, and levels of some may be rising (e.g., Gooch and Matsamura, 1987;Colborn, 1991;Tillitt et al, 1992;Farag et al, 1994Farag et al, , 1995Schmitt and Bunck, 1995;Woodward et al, 1997;Yeardley et al, 1998;Schmitt, 1999Schmitt, , 2002aSchmitt et al, 1999bSchmitt et al, , 2002Stansley and Roscoe, 1999;Wildhaber et al, 2000;Brumbaugh et al, 2001). Concentrations of persistent contaminants in fish are therefore measured as integral parts of many environmental monitoring programs (Hirsch et al, 1988;Messer et al, 1989;Biomonitoring of Environmental Status and Trends Program (BEST), 1996;Schmitt and Dethloff, 2000) and have been recommended as indicators of sustainable economic development (U.S. Council on Environmental Quality, 1997).…”
Section: Introductionmentioning
confidence: 99%