A field survey of fish farms was conducted in Samarra district - Salah al-Din governorate, where the largest number of fish farms in Samarra district was targeted, which numbered 40, including the areas of Abbasiya, Mafrq, Al-Jallam and Sakhira, where the total area that was surveyed was about (58 dunums). All fish farms depended at the rate 100% on submersible feed. Common carp is the most cultured in all fish farms compared to grass carp and silver carp. Three methods were used to construct the basins, which are ground, plugged, excavated and plugged, which gave the highest percentages compared to the other two types. Three methods were used to fill the fish basins: diesel pumps, electric pumps the flaw water, and tourism, where diesel was relied upon to fill all the basins of the study areas except for the Mafrq area, where electricity was relied upon to fill the basins. The fish were fed on a manufactured diet in all regions at a rate of 100%. The fertilizers used for fertilizing the basins were chemical, which ranged between 70%-100%, compared to the other two types, animal and mixed. Most workers in this field range from illiterate 15-25%, elementary school 40-63%, intermediate 15-20%, preparatory school 2-10%, institute 5% and college 0%.
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Al-Samarrai et al. (2024) studied this question.
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