Figure 1.

Effect of time on cecal pH^†,‡

^†Horses were provided ad libitum Smooth Bromegrass hay and water. New hay was offered at 0700 and 1900 hours. ^‡Means across all treatment groups (CON, MED, MED, and HI) on days 12 to 14. Horses in the CON group were administered 800 mL of distilled water via cecal cannulae. Horses in the LOW, MED, and HI group were administered 0.125, 0.25, and 0.5 g/kg BW sodium caseinate, respectively, solubilized in 800 mL of distilled water, via cecal cannulae. ^a,bValues with different letters differ (P < 0.01).