Involvement of sex steroids in final stages of oogenesis in Eurasian perch, Perca fluviatilis
Résumé
Significant plasma 17,20β-dihydroxy-4-pregnen-3-one peaks were measured for the first time in female Eurasian perch, Perca fluviatilis, during the pre-ovulatory period, reaching 3.5 ng ml−1, but was not synchronized with final maturation and ovulation stages.