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Figure 1: Schematic drawing of recirculation hatchery system: A – The nursery system: 1- Egg incubation unit, 2- Trays for initial feeding, 3- Sedimentation tank, 4- Pump, 5- Retention tank, 6- Fresh water inlet. B – The rearing system: 1- Circular tanks, 2- Bio filtration/sedimentation tank, 3- Pump, 4- Retention tank, 5- Fresh water inlet. Green lines represent distribution of water. Violet lines represent effluent water from rearing tanks.
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