Ecotoxicology

, Volume 21, Issue 3, pp 662–666 | Cite as

Embryotoxicity of Corexit 9500 in mallard ducks (Anas platyrhynchos)

  • Kimberly J. Wooten
  • Bryson E. Finch
  • Philip N. Smith
Article

Abstract

Embryotoxicity of the oil dispersant Corexit 9500 was examined using fertilized mallard duck eggs. Corexit 9500 was topically applied below the air cell to eggs in volumes ranging from 0 to 100 μL on day 3 of incubation. The highest incidence of mortality occurred at developmental stage 4, one day post-Corexit 9500 application. Hatching success was significantly decreased among eggs treated with ≥20 μL of Corexit 9500 as compared to controls (P ≤ 0.047). No egg treated with ≥40 μL successfully hatched. The application volume resulting in 50% mortality (corrected for control survival) was determined to be 15.5 μL. Developmental stage at embryo death was also significantly decreased compared to controls in eggs exposed to 40 μL (P = 0.0042) and above.

Keywords

Corexit 9500 Mallard duck Anasplatyrhynchos Dispersant Oil spill 

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Kimberly J. Wooten
    • 1
  • Bryson E. Finch
    • 1
  • Philip N. Smith
    • 1
  1. 1.Department of Environmental ToxicologyThe Institute of Environmental and Human Health, Texas Tech UniversityLubbockUSA

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