DDT-Induced Feminization of Gull Embryos

DOI Web Site 11 Citations

Abstract

<jats:p> Injection of DDT [1, 1, 1-trichloro-2,2-bis( <jats:italic>p</jats:italic> -chlorophenyl)ethane] into gull eggs at concentrations comparable to those found in contaminated seabird eggs in 1970 induces abnormal development of ovarian tissue and oviducts in male embryos. Developmental feminization of males is associated with inability to breed as adults and may explain the highly skewed sex ratio and reduced number of male gulls breeding on Santa Barbara Island in southern California. </jats:p>

Journal

  • Science

    Science 213 (4510), 922-924, 1981-08-21

    American Association for the Advancement of Science (AAAS)

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