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An increase in salinity of the aquatic habitat can be an environmental stress factor for fresh aquatic organism, including fish. The present study investigated the impact of salinity and diet composition on digestibility and intestinal morphology of Nile tilapia. Triplicate groups of 35 fish weighing 35g were fed a “Control” and “Test” diet and kept at salinity of 0‰ and 15‰ for 8weeks. The diets...
The present study was undertaken to evaluate the individual and combined effects of oxygen concentration and diet composition on the growth, nutrient utilization and intestinal morphology of Nile tilapia (Oreochromis niloticus). Two recirculating aquaculture systems were used to create the difference in oxygen concentration: normoxia (6.9mg·L−1) and hypoxia (3.5mg·L−1). Two diets were formulated using...
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