Eggshell modifications in captive American kestrels resulting from Aroclor® 1248 in the diet
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Abstract
American kestrels (Falco sparverius) were fed diets containing 3 μg/g Aroclor® 1 1248 or control diets from mid-January until July. Eggs were removed from first clutches 2 to 4 days after laying ceased and shell thickness and shell dimensions were measured. Contents of the third egg of each clutch, the carcasses of all adults that received Aroclor® 1248 and of three males and three females that received the control diet were analyzed for DDE, Aroclors® 1248, 1254 and 1260, and dieldrin. Concentrations of PCBs, DDE and dieldrin were significantly higher (P < 0.03) in eggs and carcasses from treated adults than in controls. Shell thickness and shell thickness index of eggs from treated adults were reduced 5.0% (P < 0.0001) and 4.8% (P < 0.0001), respectively, from those of controls.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Eggshell modifications in captive American kestrels resulting from Aroclor 1248 in the diet |
| Series title | Archives of Environmental Contamination and Toxicology |
| DOI | 10.1007/BF01065842 |
| Volume | 20 |
| Issue | 4 |
| Year Published | 1991 |
| Language | English |
| Publisher | Springer |
| Contributing office(s) | Patuxent Wildlife Research Center |
| Description | 4 p. |
| First page | 519 |
| Last page | 522 |
| Google Analytic Metrics | Metrics page |