reproduction; ovarian histology; vitellogenesis; fish culture; aquaculture; Barbus barbus
Abstract :
[en] In the present study, we investigated the histology and oocyte size variations in ovaries from barbel reared in captivity. We demonstrated that the size distribution of intraovarian oocytes is quadrimodal (including primary oocytes, oocytes with vacuoles, vitellogenetic oocytes and ova), Indicating that oocyte development can be found in the ovaries (some oocytes are in late vitellogenesis). The ovarian structure is discussed in realation to the repeated spawnings observed in captivity.
Disciplines :
Zoology
Author, co-author :
Poncin, Pascal ; Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Biologie du comportement - Ethologie et psychologie animale
Thiry, Marc ; Université de Liège - ULiège > Département des sciences de la vie > Biologie cellulaire
Lepoint, A.
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 :
Histological and biometrical study of intraovarian oocytes in barbel (Barbus barbus) reared in captivity
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