Changes in the number of germ cells in the gonads of the rainbow trout (Salmo gairdneri) during the first 10 post-hatching weeks Claire LEBRUN, R. BILLARD, B. JALABERT, Anne-Marie ESCAFFRE and Chantal CAUTYReprod. Nutr. Dévelop., 22 2 (1982) 405-412DOI: https://doi.org/10.1051/rnd:19820312