Effects of dietary short-chain fructooligosaccharides on the intestinal microflora of horses subjected to a sudden change in diet

Respondek, Frédérique; Goachet, A. G.; Julliand, V.

doi:10.2527/jas.2006-782

Cited by 83 publications

(67 citation statements)

References 35 publications

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“…In general, when horses fed a pelleted feed rich in fiber or cereal grain, the cecal total anaerobic bacteria counts were 7.6 log 10 cfu and 7.7 log 10 cfu, respectively (deFombelle et al, 2003). These values are similar to other studies that have cultured total anaerobic bacteria (Medina et al, 2002;Respondek et al, 2008). Studies incorporating an abrupt diet change from all forage to a mixed diet found that total anaerobic bacterial counts increased, and this also occurs in sheep and cattle along with a decreased pH from concentrate feeding (Grubb and Dehority, 1975;Goodson et al, 1988).…”

Section: Influence Of Diet On the Cecal Environmentsupporting

confidence: 87%

Influence of Confinement Housing on the Cecal Environment of the Horse

Wolford

Coverdale

Pinchak³

et al. 2011

Journal of Equine Veterinary Science

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A dual marker system was utilized for estimation of voluntary intake in all horses using titanium dioxide (TiO 2 ) as the external marker and acid detergent insoluble ash (ADIA) as the internal marker. Cecal samples were collected 4-h after the morning meal and immediately analyzed for pH. Samples were transported to the USDA/ARS laboratory to enumerate total anaerobic bacteria and lactic acid bacteria, and to determine methane and ammonia activity.Cecal pH was influenced by housing (P = 0.02) with group housed horses having lower cecal pH values when compared to stalled horses (6.52 ± 0.04 and 6.69 ± 0.04, respectively). The cecal pH values of this study are similar to other reported values when iv feeding similar diets (5). Populations of cecal total anaerobic bacteria and lactobacillus were not influenced by housing (P ≥ 0.21). Treatments did not affect the production of acetate, propionate or butyrate (P ≥ 0.15). Additionally, methane and ammonia production were not affected by treatments (P ≥ 0.17). Forage intake was greater for group housed horses (P = 0.04) than stalled (8.47 ± 0.89 kg DM/d and 5.17 ± 0.89 kg DM/d, respectively). In conclusion, confinement housing did not greatly influence the cecal environment of a horse when similar diets were offered.

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Section: Influence Of Diet On the Cecal Environmentsupporting

confidence: 87%

Influence of Confinement Housing on the Cecal Environment of the Horse

Wolford

Coverdale

Pinchak³

et al. 2011

Journal of Equine Veterinary Science

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“…Of the limited publications on the effects of oligofructose on colonic bacterial populations in horses and other species (Beynen et al, 2002;Macfarlane et al, 2006;Milinovich et al, 2007;Respondek et al, 2008), all report a significant increase in streptococci. If EHSS are responsible for laminitis, as we suggest, the effect of dietary supplementation with oligofructose at pre-biotic dosage rates needs to be studied promptly.…”

Section: Discussionmentioning

confidence: 99%

Microbial ecology of the equine hindgut during oligofructose-induced laminitis

et al. 2008

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Alimentary carbohydrate overload is a significant cause of laminitis in horses and is correlated with drastic shifts in the composition of hindgut microbiota. Equine hindgut streptococcal species (EHSS), predominantly Streptococcus lutetiensis, have been shown to be the most common microorganisms culturable from the equine caecum prior to the onset of laminitis. However, the inherent biases of culture-based methods are estimated to preclude up to 70% of the normal caecal microbiota. The objective of this study was to evaluate bacterial population shifts occurring in the equine caecum throughout the course of oligofructose-induced laminitis using several cultureindependent techniques and to correlate these with caecal lactate, volatile fatty acid and degrees of polymerization 3-7 fructo-oligosaccharide concentrations. Our data conclusively show that of the total microbiota present in the equine hindgut, the EHSS S. lutetiensis is the predominant microorganism that proliferates prior to the onset of laminitis, utilizing oligofructose to produce large quantities of lactate. Population shifts in lactobacilli and Escherichia coli subpopulations occur secondarily to the EHSS population shifts, thus confirming that lactobacilli and coliforms have no role in laminitis. A large, curved, Gram-negative rod previously observed during the early phases of laminitis induction was most closely related to the Anaerovibrio genus and most likely represents a new, yet to be cultured, genus and species. Correlation of fluorescence in situ hybridization and quantitative real-time PCR results provide evidence supporting the hypothesis that laminitis is associated with the death en masse and rapid cell lysis of EHSS. If EHSS are lysed, liberated cellular components may initiate laminitis.

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“…As their typical diet is high in roughage and feedstuffs that are consumed through out the day, prebiotic interventions might help improve effectiveness of fermentation [150][151][152] .…”

Section: Conferring a Health Benefitmentioning

confidence: 99%

Expert consensus document: The International Scientific Association for Probiotics and Prebiotics (ISAPP) consensus statement on the definition and scope of prebiotics

Gibson

Hutkins

Sanders³

et al. 2017

Nat Rev Gastroenterol Hepatol

3,724

2,428

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In December 2016, a panel of experts in microbiology, nutrition and clinical research was convened by the International Scientific Association for Probiotics and Prebiotics to review the definition and scope of prebiotics. Consistent with the original embodiment of prebiotics, but aware of the latest scientific and clinical developments, the panel updated the definition of a prebiotic: a substrate that is selectively utilized by host microorganisms conferring a health benefit. This definition expands the concept of prebiotics to possibly include non-carbohydrate substances, applications to body sites other than the gastrointestinal tract, and diverse categories other than food. The requirement for selective microbiota-mediated mechanisms was retained. Beneficial health effects must be documented for a substance to be considered a prebiotic. The consensus definition applies also to prebiotics for use by animals, in which microbiota-focused strategies to maintain health and prevent disease is as relevant as for humans. Ultimately, the goal of this Consensus Statement is to engender appropriate use of the term 'prebiotic' by relevant stakeholders so that consistency and clarity can be achieved in research reports, product marketing and regulatory oversight of the category. To this end, we have reviewed several aspects of prebiotic science including its development, health benefits and legislation

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Effects of dietary short-chain fructooligosaccharides on the intestinal microflora of horses subjected to a sudden change in diet

Cited by 83 publications

References 35 publications

Influence of Confinement Housing on the Cecal Environment of the Horse

Influence of Confinement Housing on the Cecal Environment of the Horse

Microbial ecology of the equine hindgut during oligofructose-induced laminitis

Expert consensus document: The International Scientific Association for Probiotics and Prebiotics (ISAPP) consensus statement on the definition and scope of prebiotics

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