The Ph.D. viva session will be held in the auditorium of the Iranian Fisheries Science and Research Institute for Mr. Ismail Peghah who is the research-based Ph.D. student. The title of his dissertation is "Effect of different levels of dietary lactoferrin and soy lecithin on growth indices, survival, digestive enzymes, antioxidant enzymes and immune system of juvenile Sobaity seabream (Sparidentex hasta)". The viva session will be held on November 2, 2019, from 9 am to 11 am. All interested people are invited to attend the Ph.D. viva session.