Fig. 2From: Low crude protein formulation with supplemental amino acids for its impacts on intestinal health and growth performance of growing-finishing pigsConcentration of tight junction proteins in duodenum (A) and jejunum (B) of growing pigs fed low CP diets with additional L-Trp supplementation (Exp. 1). a,bMeans without a common letter differ (P < 0.05)Back to article page