The effect of 17 methyltestosterone on sex reversal of the red tilapia, Oreochromis sp and its implication in tilapia production

Abstract

17 methyltestosterone, administered orally to sexually undiffrentiated red tilapia fry, Oreochromis sp., at a dose of 30 and 60 ug gm of feed and over a 20 and 30 day treatment period successfully produced a 82 - 95% male population