* significantly different from all groups (p<0.01);† significantly different from each other
(p<0.05); a significantly different from 4
and 8 mL (p<0.05); b significantly different
from 1 and 2 mL (p<0.05); Data presented as mean ± SEM with
n=6/group, except qO2 and qCO2 with
n=3/group; † ratio of 2 (YL/G) indicates 100% anaerobic
metabolism.