Gonad Sex Differentiation of Anguilla anguilla by Sex Steroids

Anguilla anguilla elvers, reared in warm fresh water, were treated with 17 alfa-methyltestosterone (MT)' and with 17 alfa-ethynilestradiol (EE), administered with. a commerciaI diet. A very low proportion of untrented elvers developed as females. A very high proportion of the EE treated elvers...

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Bibliographic Details
Published in:Internationale Revue der gesamten Hydrobiologie und Hydrographie
Main Authors: COLOMBO, Giuseppe, GRANDI, Gilberto
Other Authors: Colombo, Giuseppe, Grandi, Gilberto
Format: Article in Journal/Newspaper
Language:English
Published: Akad.-Verl, Wiley-VCH. 1990
Subjects:
Anguilla anguilla
sex differentiation
hormone
gonad
histology
Online Access:http://hdl.handle.net/11392/461821
https://doi.org/10.1002/iroh.19900750610
Description
Summary:Anguilla anguilla elvers, reared in warm fresh water, were treated with 17 alfa-methyltestosterone (MT)' and with 17 alfa-ethynilestradiol (EE), administered with. a commerciaI diet. A very low proportion of untrented elvers developed as females. A very high proportion of the EE treated elvers developed as females and the gonads differentiated .as ovaries at an earlier growth stage. Among the MT treated elvers, in a very low proportion of eels the gonads deve1oped as ovaries, most into a undifferentiated testis-like gonad and some with abnormal histological features.

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