Table 2. Two-way ANOVA results for the effects of size (weight) and time on plasma Na+ and Cl concentrations, muscle moisture content and gill Na+/K+ ATPase activity of steelhead trout after direct transfer to seawater

Source DF Plasma Na+ concentration Plasma Cl concentration Muscle moisture content Gill Na+/K+ ATPase activity
MS F-value p-value MS F-value p-value MS F-value p-value MS F-value p-value
Size 2 1,196.134 7.927 0.001 1,107.858 10.18 0.000 4.803 2.946 0.057 146.163 49.677 0.000
Time 3 2,420.661 16.042 0.000 3,043.333 27.966 0.000 21.611 13.256 0.000 39.056 13.274 0.000
Size × time 6 169.351 1.122 0.355 176.677 1.624 0.149 3.763 2.308 0.04 7.054 2.397 0.033
Error 96 150.891 108.822 1.63 2.942