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. 2015 Feb;28(2):239–246. doi: 10.5713/ajas.14.0330

Figure 2.

Figure 2

Photomicrograph of intestinal segments from broiler chickens at 42 d of age. M, N, O and P represent the duodenum from control (antibiotics-free basal diet), DFM 30 (control supplemented with 30 mg/kg of Bacillus amyloliquefaciens-based direct-fed microbial), DFM 60 (control supplemented with 30 mg/kg of Bacillus amyloliquefaciens-based direct-fed microbial, AGP (control supplemented with 15 mg/kg of virginiamycin), respectively. Q, R, S and T represent the jejunum from control, FDM 30, FDM 60, and AGP, respectively. U, V, W and X represent the jejunum from control, FDM 30, FDM 60, and AGP, respectively. Stained with hematoxylin and eosin; Bar = 300 μm. DFM, direct-fed microbial; AGP, antibiotic growth promoter.