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Figure 6


Fig. 6. Time-course changes in gill Na+/K+-ATPase activities in tilapia transferred from freshwater (FW) to 25{per thousand} seawater (SW). Data are presented as means ± s.d. (N=6). *Indicates a significant difference from the respective control in FW (P<0.05). Different letters indicate significant differences (P<0.05) among sampling times in fish transferred to SW.