À réviserComparative effects of a natural androgen, 11β hydroxyandrostenedione, and a synthetic androgen, 17α-methyltestosterone, on the sex ratios of Oreochromis niloticusJean-François Baroiller, Aboubacar ToguyeniÀ réviserRelationship between thyroid and steroid hormonal status and growth parameters in Oreochromis niloticus: effects of feeding level and sexAboubacar Toguyeni, Jean-François Baroiller, Benoit Fauconneau, Alexis Fostier, Pierre-Yves Le Bail, K. MolÀ réviseroral administration of strontium or fluoresceine for marking of Orechromis niloticus fryAboubacar Toguyeni, Benoit Fauconneau, Jean-François Baroiller, S.J. Ksushik |