ArticleVeterinary world2021
Effects of dietary fiber sources on bacterial diversity in separate segments of the gastrointestinal tract of native and exotic pig breeds raised in Vietnam.
Article in Veterinary world, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 1 citations in OpenAlex.
- The Role of Exogenous Non-Starch Polysaccharide Enzymes in Enhancing Digestibility and Performance of Pig.Biology · 2025Article
- Healthy Gut Microbiome Composition Enhances Disease Resistance and Fat Deposition in Tibetan Pigs.Frontiers in microbiology · 2022Article
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Authors and funding
4 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimDietary fiber has distinctive effects on the environment and microbiota of the pig's intestinal tract. This study was conducted at the naturally ventilated facility of the experimental station, National Institute of Animal Sciences, Vietnam, to examine the effects of fiber sources in diets on the intestinal microbiota of two different pig breeds raised in Vietnam. MATERIALS AND
methodsA total of 18 native and 18 exotic pigs with average initial body weights of 9.5±0.4 and 16.5±0.4 kg, respectively, were each divided into three dietary treatments, including a low-fiber diet containing approximately 200 g NDF per kg dry matter (DM) and two high-fiber diets containing cassava by-products or brewer's grains containing approximately 300 g NDF per kg DM. At the end of the experiment (28 days), the bacterial diversity of digesta samples collected from the stomach, ileum, and colon segments was analyzed through DGGE analysis of the V3 variable regions of 16S-rDNA and by cloning and sequencing.
resultsAmong the diets, significant differences were observed in the number of DNA bands in the stomach between the native and exotic pigs (p<0.05), but not in the ileum and colon. The dietary fiber affected the number of DNA bands in the ileum (p<0.05), but not in the stomach and colon. A significant interaction effect was found between diet and breed on the number of DNA bands in the ileum (p<0.05). Dietary fiber and breed had a greater effect on microbiota in the ileum and colon than that in the stomach.
conclusionThe fiber sources affected the number of DNA bands in the ileum, and breed affected the number of DNA bands in the stomach. The microbial compositions in the ileum and colon segments were significantly affected by the dietary fiber and breed.
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