Fig. 1

Effect of gastric infusion of SCFA on the relative mRNA expressions of SCFA receptors in ileum and colon of growing pigs. S1, pigs treated with SCFA (acetic, propionic, and butyric acids; 20.04, 7.71, and 4.89 mM respectively); S2, pigs treated with SCFA (acetic, propionic, and butyric acids; 40.08, 15.41, and 9.78 mM respectively). a, b, means without a common superscript difference (P < 0.05)