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Representative images of H&E staining on the intestinal morphology of broiler chickens. Scale bar = 500 µm. Abbreviations: CON, broiler chickens fed a basal diet; H&E, hematoxylin and eosin staining; STE, broiler chickens fed a basal diet supplemented with 250 mg/kg stevioside; SUC, broiler chickens fed a basal diet supplemented with 100 mg/kg sucralose; SAC, broiler chickens fed a basal diet supplemented with 600 mg/kg saccharin sodium.
