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DDT-induced feminization of gull embryos.
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DDT-induced feminization of gull embryos.

Author: DM Fry; CK Toone
Edition/Format: Article Article : English
Publication:Science (New York, N.Y.) 1981 Aug 21; 213(4510): 922-4
Summary:
Injection of DDT [1, 1, 1-trichloro-2,2-bis(p-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  Read more...
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Details

Document Type: Article
All Authors / Contributors: DM Fry; CK Toone
ISSN:0036-8075
Language Note: English
Unique Identifier: 113028725
Awards:

Abstract:

Injection of DDT [1, 1, 1-trichloro-2,2-bis(p-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.

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Primary Entity

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Related Entities

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