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The present study was conducted to determine the dietary zinc (Zn) requirement of adult Nile tilapia (Oreochromis niloticus), and to evaluate its effects on growth performance, tissue mineral composition, and antioxidant responses for this fish species. Seven experimental diets were formulated with semi-purified ingredients and supplemented with ZnSO 4 ·7H 2 O to provide total Zn concentrations...
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