ArticleBMC research notes2020
Psyllium supplementation is associated with changes in the fecal microbiota of horses.
Article in BMC research notes, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed.
- Efficiency of a Combination of Polyethylene Glycol and Psyllium on the Evacuation of Sand Compared to Established Treatment Regimes in Sand Enteropathy of the Horse.Animals : an open access journal from MDPI · 2026Article
- Sand Enteropathy-What We Know So Far and Why There Is Still So Much to Learn.Animals : an open access journal from MDPI · 2026Review
- A Comprehensive Review of the Equine Gut Microbiome in Health and Disease.Veterinary sciences · 2026Review
- The efficacy of psyllium combined with aloe vera in treating sand accumulation in equine intestines.Open veterinary journal · 2026Article
- Effect of dietary iron supplementation on the equine fecal microbiome.Canadian journal of veterinary research = Revue canadienne de recherche veterinaire · 2023Article
- Evaluating a potential model to analyze the function of the gut microbiota of the giant panda.Frontiers in microbiology · 2022Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveProphylactic supplementation of psyllium husk is recommended to enhance passage of ingested sand from the gastrointestinal tracts of horses. We hypothesized that psyllium supplementation would increase fecal sand passage and favorably alter bacterial populations in the hindgut. Six yearlings and six mature mares were fed a psyllium supplement in the diet daily for seven days. Voluntarily-voided feces were collected over the course of 29 days, prior, during, and after treatment. Feces were analyzed for acid detergent fiber (ADF) and acid detergent insoluble ash analyses. Microbial DNA was also isolated, and the V4 region of the 16S ribosomal RNA gene was PCR-amplified and sequenced using MiSeq technology.
resultsFecal ADF concentration was greater in adults while silica concentration was greater in yearlings. Mature mare fecal ADF decreased during and just after supplementation but thereafter increased. No changes in silica levels were noted in either group over time. Fecal microbial population phylogenetic diversity was greatest mid-supplementation and lowest at 11 days post-supplementation. Functional profiles of the microbial communities presented some benefits for psyllium supplementation. These findings provide compelling evidence for further detailed studies of prophylactic psyllium supplementation.
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Registered trials
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