“…It has been reported that sodium butyrate supplementation in milk replacer (MR) has a positive effect on small intestine development in calves (Guilloteau et al, ; Pietrzak et al, ). In addition, butyrate has been shown to positively affect calf performance and health via the stimulation of intestinal cell proliferation and growth (Guilloteau, Romé, Normand, Savary, & Zabielski, ; Guilloteau et al, ; Hill, Aldrich, Schlotterbeck, & Bateman, ). Our research group reported that intra‐ruminal administration of sodium butyrate stimulated GLP‐2 secretion, whereas acetate and propionate administration had no effect on plasma GLP‐2 concentration in sheep (Elsabagh, Inabu, Sugino, & Obitsu, ).…”