Sexual Maturity Signs and Histological Alterations of Adult Oreochromis Niloticus (Linnaeus, 1758) Fed Probiotic

Aquaculture is a highly economic yield projects, if achieved correctly. It is the fastest growing production sector all over the world. Where, it's the world wealth coming expansion to reimburse the shortage in animal protein [1]. Globally, total fish production peaked at about 171 million tonnes in 2016, where total aquaculture production has grown extremely during the last fifty years from a production of less than a million tonne in the early 1950s to 80.0 million tonnes (54.1 million tonnes of finfish, 17.1 million tonnes of molluscs, 7.9 million tonnes of crustaceans and 938.5 metric tonnes of other aquatic animals) by 2016. This level of aquaculture production had a value of US$ 232 billion [2].