Oreochromis niloticus (Nile tilapia) is one of the best choices for fish farmers. It is tolerant to adverse environmental conditions, it can survive at low dissolved O2, it is euryhaline, relatively fast growing and efficient in food conversion. However, it requires sex reversal for mono-sex culture, and particularly feminization of Oreochromis niloticus using diethylstilbestrol. Sex reversal can be achieved by treatment of fish with hormones that can functionally override the genetic sex. After four months of feminized fish, randomly sampled Oreochromis niloticus were dissected for gonad observation through compound microscope in the Zoology Laboratory at Masinde Muliro University of Scien
Download