The effect of Oocyte Developer (Oodev) dose on gonad find maturation of sheat fish (Ompok rhadinurus Ng) was conducted from July to October 2019 at the Aquaculture Research station, Faculty of Fisheries and marine, University of Riau. Pond raised brords takes weight ranged from 35 g to 42 g were injected with different doses % Oodev : P0 (0 ml/kg fish); P1 (0,5 ml/kg), P2 (1 ml/kg) and P3 (1,5 …