Abstract:
The research was conducted from November 2012 to January 2013 in Aquaculture Technology Laboratory of Faculty Of Fishery and Marine Science of Riau University. The aim of this research was to investigate the dose of Thyroxine (T4) hormone in fish food on the growth of selais fish (Ompok hypopthalmus). The research method used was experimental method and Complete Random Device (CRD) with four treatments and three replications. The treatments in this study were P1 (control ), P2 (3 mg Thyroxine hormone / kg of fish meal ), P3 (5 mg Thyroxine hormone / kg of fish meal), and P4 (7 mg Thyroxine hormone / kg of fish meal).
The result showed that the growth of selais using 7 mg Thyroxine hormone / kg of fish meal, with absolute growth weight of 2,34 g, absolute growth length 2,42 cm, daily growth rate 2,55% and production of 13,71g respectively.
