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Gonad Sex Differentiation of Anguilla anguilla by Sex Steroids

โœ Scribed by Giuseppe Colombo; Gilberto Grandi

Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
692 KB
Volume
75
Category
Article
ISSN
1434-2944

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โœฆ Synopsis

Anguilla anguilla elvers, reared in warm fresh water, were treated with 17 a-methyltestosterone (MT) and with 17 cr-ethynilestradiol (EE), administered with a commercial diet. A very low proportion of untreated elvers developed as females. A very high proportion of the EE treated elvers developed as females and the gonads differentiated as ovaries a t an earlier growth stage.

Among the MT treated elvers, in a very low proportion of eels the gonads developed as ovaries, most into a undifferentiated testis-like gonad and some with abnormal histological features.

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