Fig. 4. The relative plasma FFA concentration of African catfish infused with
saline (filled circles; N=7), isoprenaline (open circles;
N=6; 27 µg kg1) or noradrenaline (triangles;
N=56; 154 µg kg1) from t=0 to
1.5 h. *P<0.05 vs initial values;
P<0.05 vs saline infusion;
P<0.05 vs initial values and saline
infusion.