HASSAAN, M.S.M., MOUSTAFA, M.M.A., EL-GARHY, H.A.S. and REFAAT, M.H. 2015. "THE INFLUENCE OF SYNBIOTIC ON GROWTH AND EXPRESSION OF GH, GHR1 AND IGF-I GENES IN Oreochromis niloticus L FINGERLINGS." Journal of Fisheries and Aquaculture 6(1):176-182.