Article (Scientific journals)
Gonadal and thyroid hormones in the barbel (Barbus barbus) during and outside short reproductive cycles
Poncin, Pascal; Kuhn, E. R.; Vandorpe, G. et al.
1998In Folia Zoologica, 47, p. 61-66
Peer Reviewed verified by ORBi
 

Files


Full Text
Poncin_1998_F-zoo_61.pdf
Publisher postprint (408.83 kB)
Request a copy

All documents in ORBi are protected by a user license.

Send to



Details



Keywords :
endocrine profiles; biological rhythms; Barbus barbus
Abstract :
[en] Sex steroids with thyroid hormones were studied during reproduction in the European barbel Barbus barbus L., a new species for European aquaculture. In female barbel, the period between two successive ovulations (every 12-18 days) was characterized by high estradiol-17 beta (E-2) levels (>300 pg.ml(-1)) and a sinusoidal variation of these levels. Outside the reproductive periods, the E-2 plasma concentration was significantly lower (100 pg.ml(-1)) and invariation. The spermiating males showed significantly higher testosterone (T) plasma values than non-spermiating ones. The opposite was noticed for the plasma thyroxine (T-4) concentrations: low values in males and females during reproduction, high values outside reproductive periods. Spermiating males had a higher triiodothyronine (T-3) plasma concentration compared to non-spermiating ones, whereas no significant difference is seen for the females.
Disciplines :
Aquatic sciences & oceanology
Anatomy (cytology, histology, embryology...) & physiology
Author, co-author :
Poncin, Pascal ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Biologie du comportement - Ethologie et psychologie animale
Kuhn, E. R.
Vandorpe, G.
Philippart, Jean-Claude ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Biologie du comportement - Ethologie et psychologie animale
Language :
English
Title :
Gonadal and thyroid hormones in the barbel (Barbus barbus) during and outside short reproductive cycles
Publication date :
1998
Journal title :
Folia Zoologica
ISSN :
0139-7893
Publisher :
Akademie Ved Ceske Republiky, Brno, Czechia
Volume :
47
Pages :
61-66
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 25 January 2010

Statistics


Number of views
107 (16 by ULiège)
Number of downloads
4 (1 by ULiège)

Scopus citations®
 
0
Scopus citations®
without self-citations
0

Bibliography


Similar publications



Contact ORBi