ArticleFrontiers in genetics2022
Steroid implants for the induction of vitellogenesis in feminized European silver eels (
Article in Frontiers in genetics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Sexually dimorphic expression and hormonal responsiveness of steroidogenic Cyp genes during gonadal differentiation in mandarin fish.Fish physiology and biochemistry · 2026Article
- Gut microbiomics reveals host-microbe crosstalk during sexual differentiation in the shortfin eelISME communications · 2026Article
- Estrogenic Effect of Various Plant Extracts on Eel (Molecules (Basel, Switzerland) · 2025Article
- Influence of 17Animals : an open access journal from MDPI · 2024Article
- Article
- The induction of oocyte maturation and ovulation in the European eel (Frontiers in physiology · 2023Article
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Authors and funding
9 authors.
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Abstract
Assisted propagation of the European eel will lead to a closed production cycle supplying the aquaculture industry with juvenile glass eels. Females require long-term weekly treatment with pituitary extract (PE), which is stressful and causes abnormalities in oogenesis. We tested the effects of 17α-methyltestosterone (17 MT), as potent androgen activating the androgen receptor, and 17β-estradiol (E2), as an inducer of vitellogenesis, to shorten the duration of PE treatment.Four groups of feminized eels were subjected to a simulated migration and subsequent injection with implants containing 17 MT (17 MT-group), E2 (E2-group) or 17 MT plus E2 (17 MT + E2-group) to test for synergistic effects, or without any steroids as controls (C-group). The effects of a 2-months treatment were investigated by determining the eye index (EI), hepatosomatic and gonadosomatic index (HSI and GSI, respectively), plasma steroid concentrations by liquid chromatography mass spectrometry (LCMS), gonadal histology, expression of androgen receptors a and b (
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