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Fig. 3 | BMC Veterinary Research

Fig. 3

From: Effects of different feeding regimens with protease supplementation on growth, amino acid digestibility, economic efficiency, blood biochemical parameters, and intestinal histology in broiler chickens

Fig. 3

A photomicrograph of chicken intestinal tissue sections showing the normal histological structure in cross-section of ileum in group I (A), group II (B), group III (C), group IV (D, E), group V (F, G), and group VI (H, I), Villus (V), crypt (c), goblet cells (arrows), and tunica musculosa (M). Stain: H & E in (A, C, F), alcian blue (B), and PAS in (G–I). I (FR1 − VE): recommended protein SBM diet without protease supplementation; II (FR1 + VE): recommended protein SBM diet + protease supplementation; III (FR2 − VE): low-protein SBM diet without protease supplementation; IV (FR2 + VE): low-protein SBM diet + protease supplementation; V (FR3 − VE): low-protein SBM/DDGS-SFM diet without protease supplementation; VI (FR3 + VE): low-protein SBM/DDGS-SFM diet + protease supplementation

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BMC Veterinary Research

ISSN: 1746-6148

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