In Africa, where very little has been done in terms of genetic improvement of Nile tilapia, one may safely assume that the productivity of the current stock is at the level of the GIFT base population or lower (Brummett et al., 2004). Hence, one may also safely assume that the introduction of GIFT to Africa would improve growth by at least 64%. This is not a trivial gain, and it could greatly benefit emerging aquaculture industries in many African countries.