Improvement of the Aquatic Environment for the Nile Tilapia (Oreochromis niloticus) via a New Developed Automatic Feeding System

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This study aimed to improve the production environment for the Nile tilapia (Oreochromis niloticus) through developing a new automatic feeding system (AFS), focusing on optimizing water physicochemical parameters, fish growth rates, and the economic viability of the Nile tilapia farming. The experiment was conducted using six fiberglass tanks, each with a capacity of 0.25m³. Three of these tanks were equipped with a new AFS, while the other three utilized a conventional AFS. A total of 150 fingerlings, each with an initial weight of 13.50g, were randomly distributed at a density of 25 fish per tank. Throughout the duration of the experiment, water quality parameters were systematically measured and recorded. The fish were fed with a sinking commercial diet containing 30% crude protein, administered at a rate of 5% of their body weight. The obtained results revealed statistically significant differences (P<0.05) between the two AFSs, with the newly developed AFS exhibiting an improved water quality, enhanced growth rates, and a greater economic viability.

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