Obey Mhute

IntroductionThe omnivorous Nile tilapia (Oreochromis niloticus) is an important commercially farmed species worldwide due to characteristics such as strong disease resistance, fast growth and the ability to accept lower cost diets with terrestrial-based ingredients (Ng and Romano, 2013).Fish production costs are increasing while fish price in the market is relatively stable (Tacon and  Metian ...