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Oral supplementation with vitamin C improves intestinal mucosa morphology in the pulmonary hypertensive broiler chicken

1. The aim of this study was to determine the effects of added dietary vitamin C on the intestinal mucosa morphology in pulmonary hypertensive broiler chickens. 2. One-day-old chickens were reared at high altitude and treated with 400, 800 or 1200 mg vitamin C/l of drinking water for 48 d. Segments from the duodenum, jejunum and ileum were collected for morphometric analysis. 3. The duodenum and jejunum villus height, width, surface area and lamina propria thickness were greater in the highest vitamin C-treated groups compared to controls. 4. There were significant variations only in villus types of the jejunum and ileum: increased proportions of leaf + tongue-like villi and decreased proportions of convoluted + ridge-like villi at day 36 at the groups with 400 and 800 mg vitamin C/l. 5. It was concluded that vitamin C improves the gut morphology of the pulmonary hypertensive broiler chickens.