Fig. 3From: Equine saliva components during mastication, and in vivo pH changes in the oral biofilm of sound and carious tooth surfaces after sucrose exposureConcentration (mean values ± SD of 4 horses) of sodium, potassium, calcium, phosphate, bicarbonate (HCO3) and urea before (0 min) and after 50 min of chewing 4 different forages (I = hay; II = grass; III = silage; IV = hay-silage)Back to article page