The research has been conducted on February to April 2017 at the beach fish breeding center (BBIP), Bengkalis - Riau which aims to determine the best of dose of recombinant growth hormon on growth and survival rate nile tilapia (Oreochromis niloticus). The method use was experimental method with Completely Randomized Design with 5 treatments and 4 replications, the dose of rGH administrated was…