Published in Scientific Papers. Series "Management, Economic Engineering in Agriculture and rural development", Vol. 24 ISSUE 3
Written by Atef Mohamed ELSBAAY, Aml AMER, Mona M. KASSEM

Water shortage is a global problem, especially in the Arab Republic of Egypt. The aim of this study was the effect of ultraviolet sterilizers on the bacterial load in the water of the aquaponic system, especially coliform bacteria. To determine the state of food safety, by conducting some engineering studies affecting the microbial load in the water of fish farms used in aquaculture, in order to produce healthy food for humans. Providing quantities of water and fertilizers. Microbial analysis of the total number of bacteria and coliforms was conducted in the water company’s laboratories and the prevalence of the total number of bacteria and coliforms in the systems in three replicates. The study parameters were for different flow rates over time at 2, 4, 6 and 10 minutes with water heights of 2.5, 5, 7.5 and 10 cm at lamp heights of 10, 20 and 30 cm. Water quality and the total number of bacteria and total coliforms in the water were measured before and after treatment using a UV sterilization unit. The results showed that the ultraviolet sterilizer gave lower results for the microbial load of coliform bacteria in the treatments under study compared to the treatments before using the sterilizer.

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