Figure 2
The time course of plasma electrolyte concentrations: (A) sodium (Na+), (B) potassium (K+), (C) chloride (Cl-) and (D) calcium (Ca2+) after a Competition Exercise Test. The exercise recovery period begins at 0 min, after horses were either given a hypertonic sodium acetate/acetic acid solution (NAA trial; solid square), or stood in stocks (Control trial; hollow circle). Horses were fed immediately after the 0 and 360 min samples. Values are mean ± SE for 9 horses. *, Ψ: significantly different from baseline (pre-exercise) time point for Control and NAA trials, respectively.