Lake Manzala contributes about 5% of the total fish production in Egypt. The problem of the
research was the increasing severity of the problems faced by fish farm owners and their impact on the efficiency of fish production and its development through the broad concept of
increasing and diversifying production and improving its quality and the industrial activities
associated with fish production. It showed an increase in fish production in the lake, and it was
found that there was a negative impact on the prices of production inputs. And marketing margins on fish production in the lake, and a positive impact of increasing fish and feed factories
and increasing exports. It was also found that approximately 75% of the sample size is working
to increase the production capacities of fish farms in Lake Manzala by practicing activity in
more than one type of holding as an attempt to reduce high production costs. The research
recommended the importance of working to reconsider the pricing and marketing policies for
fish in the lake every three years, stimulating the establishment of factories related to fish
production within the geographical scope of the lake every 5 years, and issuing new licenses
for industrial units every 5 years, in addition to developing export plans to export fish products
from the lake. It is developed and modified every 5 years