Precocious induction of oocyte maturation and ovulation in rainbow trout (Salmo gairdneri) : problems when using 17 α-hydroxy-20 β-dihydroprogesterone B. JALABERT, B. BRETON, A. FOSTIER, Pierrette REINAUD and Micheline HEYDORFFAnn. Biol. anim. Bioch. Biophys., 18 4 (1978) 977-984DOI: https://doi.org/10.1051/rnd:19780534