Abstract:
This research was conduceted from March until October, 2012 in Fish Breeding Laboratory of Fisheries and Marine Science Faculty of Riau University, Pekanbaru. Aim of the research was to investigate the effect of ovaprim doses and latency time to ovulation of sheatfish (Ompok rhadinurus Ng). The method used was direct observation method and the treatments descriptive analyzes. Treatments were: D0,0 = 0.0 ml/kg, D0,3 = 0.3 ml/kg, D0,5 = 0.5 ml/kg, and D0,7= 0.7 ml/kg body weight. While the latency time was: W6 = 6 hours, W7 = 7 hours and W8 = 8 hours. The best results in the treatment of D0,3W6, amount of eggs ovulation 52 eggs/g, additional of egg diameter 0,14 mm, additional of egg maturity 11,6% and IOS 14,18%.
