![\"Lactic](\"https:\/\/nouvelleresearch.com\/wp-content\/uploads\/shutterstock_791287933-300x225.jpg\" "\\"Lactic")
The digestive microbiome is extensive in the horse and is comprised of specific organisms inhabiting certain areas of the intestinal tract.\u00a0 One area of focus is on hind-gut health, and the influence of the microflora in this region on overall health and digestion.\u00a0 In human research, data has been collected through hundreds of research papers and the final conclusion is that the microbiome does appear to be connected with overall health, but could also be tightly linked in with cardiovascular disease, metabolic conditions, diabetes, allergies, cognitive function, digestive concerns (IBS, IBD), joint degeneration, and cancer. (1) The ultimate question remains as to whether these same associations can be made in the horse.<\/p>\n
The term dysbiosis is used to reflect a state of imbalance within a microbiome, specifically as it pertains to this paper, it would be the gastrointestinal microbiome.\u00a0 Indeed, there are many microbiomes that exist in the body, from the skin, to the ears, and the urogenital tract.\u00a0 Various organisms essentially live in harmony, a state of symbiosis, in which health is provided to the individual horse.\u00a0 When these organisms become unbalanced, due to a variety of factors, a state of disease can be produced.<\/p>\n
Considering the large number of organisms present, human researchers have narrowed down the groups based on originating phlya, focusing on two groups in particular; Firmicutes and Bacteriodetes.\u00a0 There are numerous bacterial organisms that reside under each of these subheadings.\u00a0 What is noted in research and appears to be a trend, is that when the Firmicutes group outnumbers the Bacteriodetes population, then a person and potentially a horse is more at risk of disease.\u00a0 Essentially, this dysbiosis can be considered a risk factor for various health ailments.\u00a0 In the ideal situation, one may desire to have the two groups more in balance, but it is not possible to have precise numbers as these populations are always in a state of flux to a degree. Commonly referenced bacteria to these two phyla include Lactobacillus<\/em> (Firmicutes) and Bifidobacteria<\/em> (Bacteriodetes), which both are used as probiotics in human health.<\/p>\n Equine research regarding the microbiome is not as voluminous as their human counterparts, although more studies are being published.\u00a0 In past studies, evaluating metabolic and laminitic equine patients, it has been noted that there appears to be an overgrowth of lactic acid bacteria, predominantly Streptococcus<\/em> species, which is found in the Firmicutes group. (2)\u00a0 As this lactic acid bacteria count increases, the Firmicutes group would become more representative than the Bacteriodetes, and thus imbalance would occur.\u00a0 In other studies, regarding colitis and diarrhea in the horse and foal, there are papers that denote overgrowth of pathogenic organisms including Salmonella<\/em>, Escherichia coli<\/em>, and Clostridial<\/em> organisms, which are often linked back with endotoxic conditions in the horse. In many of these clinical cases, there is an overall reduction in richness or diversity to the microbial population. (3,4)\u00a0 These bacteria are often considered a normal part of the equine digestive tract, but usually are in low numbers.\u00a0 In theory, if there is imbalance in one direction or another, this would not only impact digestion, but could also alter the gastrointestinal environment, making it more favorable for some bacteria and less so for others.\u00a0 As a result, if the environmental changes were significant enough, more pathogenic bacteria could increase in numbers and create direct clinical harm to the patient.<\/p>\n The precise means as to how these imbalances in the microflora contribute to disease are not readily known.\u00a0 In many research papers, there are many concepts theorized.\u00a0 Digestion can be impaired, including nutrient absorption, and therefore impact overall health of the host.\u00a0 Production of short chain fatty acids can also be impaired, which contributes to overall health and inflammatory status.\u00a0 The environmental changes and alterations in the local pH could also contribute to increased permeability of the intestinal lining, leaky gut, which can lead to increased release of bacteria and other chemicals found in various foods, into the systemic circulation.\u00a0 As a result, this can lead to a heightened level of inflammation in the patient often as a result of the immune response and lipopolysaccharide (LPS) release, which can contribute to a host of chronic inflammatory and degenerative conditions.<\/p>\n The one challenge that presents itself is resolving or at least providing a better means of management of this ongoing problem regarding dysbiosis in the gastrointestinal microbiome.\u00a0 Looking at the problem, the exact cause has yet to emerge.\u00a0 Instead of one specific cause, it is more likely to be multifactorial in its origin, which further complicates a solution.<\/p>\n In many human research papers, various options have been utilized, which all seem to provide some level of benefit.\u00a0 These include stress reduction, exercise, prebiotics, and probiotics.\u00a0 The foods that are consumed and the stress levels that are placed upon the person or animal appear to be most connected with the microbiome and overall balance.\u00a0 However, placing just one solution or remedy into place does provide improvements in some, but not all research subjects.\u00a0 The use of probiotics in human patients does appear to provide benefits, but this research is lacking in the horse.\u00a0 In theory, the use of the most prevalent strains of probiotics in the horse industry, Lactobacillus, could<\/i>\u00a0potentially push the dysbiosis in the opposite connection, contributing more to overgrowth of the Firmicutes group. \u00a0 Outside of probiotics, at least in the horse, we are often left with managing the impact of stress and utilizing prebiotics, ideally in the form of whole foods.\u00a0 There are isolated prebiotics on the market, including Inulin and fructooligosaccharides (FOS) or their derivatives MOS or XOS.\u00a0 However, despite some promising research, one has to keep in mind that these molecules could have the potential in high doses of pushing the spectrum to the other degree and creating clinical harm, as they are used as a food source for all bacterial species.\u00a0 This is noted in laminitis research papers in using FOS in high doses to create laminitic conditions.<\/p>\n The ideal solution to the current dilemma would be to have an all natural, non-harmful solution to better promote healthy bacteria within the gastrointestinal tract of the horse, hinder the growth of more pathogenic organisms, and potentially normalize the overall environment in the digestive tract.\u00a0 This solution or option would also infer local and systemic inflammatory protection and potentially impact the stress process.<\/p>\n A total of 16 horses were recruited for this trial, being non-selective in the breed, age, gender, or presenting condition.\u00a0 A total of 150 prior horses had been cultured in the past 2 years to evaluate overall trends of lactic acid bacteria (LAB), Coliforms, and more recently Salmonella levels in the perceived normal horse.\u00a0 The term ‘normal’ is relative and precise levels can be difficult to determine, as many horses do have health issues, but not to the level of concern to the owner.\u00a0 Current or existing diet and\/or supplementation regimens with each patient was not altered, allowing the patient to continue as currently being managed.<\/p>\n Each horse was placed on a proprietary blend of a patented, concentrated extract of Terminalia chebula<\/em>, Terminalia bellerica<\/em>, Phyllanthus emblica<\/em>, and Humulus lupulus<\/em> 4:1 extract.\u00a0 The average dose per patient per day, of the proprietary blend, was 7.75 grams \/1000 lbs (500kg), given once daily.\u00a0 The supplement was well accepted in most patients and flavored with a whole-organic banana powder.<\/p>\n Fecal samples were collected on day one and fourteen in all patients.\u00a0 The samples were collected and contained in plastic bags, left open to allow for air circulation and prohibition of an anaerobic environment.<\/p>\n The cultures were performed by obtaining 1 gram of fecal material from the center of a provided fecal ball, and diluting it out to a 1:10,000 dilution using sterile saline.\u00a0 Then 1.0 ml of fluid was inoculated onto 3M Lactic Acid Bacteria Petrifilm, 3M Coliform Petrifilm, and 3M Salmonella Petrifilm plates, then incubated for 18-24 at 35 degrees C.\u00a0 Colonies on each plate were then counted and recorded.\u00a0 Counts in excess of 500, were approximated or given the value of TNTC (too numerous to count).<\/p>\n All 16 horses involved in this current trial demonstrated improvement with measurable reduction in lactic acid bacteria counts on follow up cultures.\u00a0 Each horse also demonstrated improvement clinically on some level, ranging from attitude to overall soundness.<\/p>\n <\/p>\n The gastrointestinal microbiome in the horse is vast and can be considered an organ system by itself, due to the involvement and connection with other aspects of health and cellular signaling in the body. A dysbiosis or imbalance of the microbiome can potentially impact horse health and soundness negatively, contributing to metabolic and laminitic conditions, allergies, colitis (endotoxemia), digestive upset with gas or recurrent colic, ulcerative conditions, body and hoof condition, and athletic performance.<\/p>\n Despite the current research to date and solutions offered in the horse, there are a large percentage of horses that continue to battle the effects of poor digestive health, ulcers, and overall impact on general health.\u00a0 Modern research indicates that a dysbiosis does indeed exist in the horse, given a variety of conditions, but mainly focusing on laminitic and metabolic patients.\u00a0 Even with this information, we can see the problem but have yet to arrive at a reasonable solution.<\/p>\n Human research has indicated that several environmental, physical, and lifestyle factors are involved with the development of a dysbiosis situation within the gastrointestinal tract.\u00a0 Given the large number of factors, arriving at one solution is not likely feasible, but could at least benefit some patients on some level.<\/p>\n The herbs utilized in the proprietary blend are not new to science or the history of the horse.\u00a0 The three herbs, Terminalia chebula<\/em>, Terminalia bellerica<\/em>, and Phyllanthus emblica<\/em> have traditionally been used together in an Ayurvedic formula called Triphala.\u00a0 This formula has been used likely for centuries to promote overall digestive health and specifically in other conditions involving the mouth, skin, and other organ systems.\u00a0 These three herbs have marked potential based on research data, noting marked anti-inflammatory properties, antioxidant potential, prebiotic benefits, anti-microbial benefits, and laxative type benefits.\u00a0 The herbs have many beneficial phytochemicals present, including antioxidants, flavanoids, and a rich base of Tannins. These fruits have also been shown to contain starches, amino acids and fatty acids. (5)<\/p>\n In the original Triphala herbal blend, the whole fruit extracts have been utilized, however in our preliminary research trials, many horses failed to demonstrate benefits on repeat cultures.\u00a0 This may be attributed to a dose effect and also could be reflective of the level of inflammatory damage within that patient.\u00a0 The concentrated, patented version of each fruit was utilized in this current study, which helped to reduce overall dosage to the patient and likewise produced clinical benefit.\u00a0 The concentrated extracts provide in general >50% soluble tannins, which is one of the main active ingredients, but also contains smaller levels of the above mentioned phytochemicals.<\/p>\n Humulus lupulus<\/em>, Hops, has been used traditionally in the horse as a aid in resolving various health conditions including digestive upset and colic.\u00a0 Hops is also a primary ingredient in the making of beer, not just to enhance flavor but to mitigate the growth of lactic acid bacteria, which results in spoilage. Research in the horse regarding Humulus lupulus<\/em> notes that it can impact the overgrowth and survival of Streptococcus species of bacteria in laminitic patients, which contributes to overgrowth of lactic acid bacteria. (6)\u00a0 Humulus lupulus<\/em> is a polyphenol rich food group that has demonstrated abilities to modulate inflammation, enhance digestion and body weight gains in pigs, and contain anti-microbial properties. (7)<\/p>\n The combination and utilization of all 4 ingredients in the proprietary research formula provides many clinical benefits to the horse, including prebioitic, probiotic, and anti-microbial properties.\u00a0 In addition, Terminalia chebula, Terminalia bellerica, Phyllanthus emblica<\/em>, and Humulus lupulus<\/em> demonstrate marked anti-inflammatory and antioxidant properties which can benefit the horse on many levels, even outside of the gastrointestinal tract.<\/p>\n Based on numerous prior cultures of perceived normal equine patients, a normal value on lactic acid bacteria levels with this specific culture technique was assigned a value of <150 colonies.\u00a0 Coliform counts in the normal population averaged around 25-50 colonies.<\/p>\n In this study, all 16 horses responded favorably with a reduction in lactic acid bacterial levels on follow up cultures.\u00a0 Interestingly, many of the patients were evaluated for levels of Coliforms and Salmonella, which became available in a later part of the study.\u00a0 Many of the horses demonstrated a marked increased in Coliform levels, including Escherichia coli<\/em>, on initial cultures.\u00a0 Salmonella was undetectable in all patients.\u00a0 As the lactic acid bacteria level decreased on follow up, it was also noted that in most horses, the Coliform count likewise reduced.\u00a0 This could be a favorable indicator for reduced susceptibility to colitis conditions and endotoxic events.<\/p>\n There were no noted side effects in any horse during the 14 day trial period.\u00a0 Grossly, fecal samples began to take on a more green color with increased moisture content, less odor, and less dense fibrous roughage evident in the sample.\u00a0 These changes are likely attributed to the prebiotic effect and alteration of the gastrointestinal microbiome, indicating improved digestion which would then equate to improved nutrient utilization by the horse.<\/p>\n All owners noted a positive change on some level in a short period of time.\u00a0 There were improvements in overall soundness with reduction of foot pain and improved comfort in a few laminitic horses.\u00a0 Many owners noted the reduction in fecal odor and\/or gas production in their horse.\u00a0 Some owners also noted changes in hoof growth and increased rate of sole exfoliation.\u00a0 In another patient, allergies appeared to be improved with reduction of skin lesions and itching.\u00a0 Other changes include improved behavior, energy, and estrus cycles.<\/p>\n Although each horse demonstrated clinical benefits during the research period, some horses reduced their counts further than other horses, more towards a perceived ‘normal’ level.\u00a0 The ultimate question is regarding why the difference and could more impact be accomplished with a lower LAB count?\u00a0 There are several factors to keep in mind when evaluating the results and situation for any given equine patient.\u00a0 First, diet is a major contributor as noted in human studies.\u00a0 Many of these horses were maintained on their current diet of processed grains or feed products, which could interfere with microbial balance.\u00a0 Second, there is the potential for medication influences on the microbiome and a few of these patients were on a thyroid and\/or Pergolide medication daily.\u00a0 Third, there are environmental factors including housing, herd dynamics and exercise limitations which may also play a role.\u00a0 Fourth, one has to keep in mind the level of inflammation and the chronicity in each patient.\u00a0 In a case of laminitis due to metabolic syndrome, as an example, one needs to understand the vastness of the inflammatory process in that animal and the level of damage that has been created over time.\u00a0 The microbiome is likely a major player in this health condition in the horse, but even with stabilization, time is required for further systemic inflammatory changes, tissue healing, and hoof regrowth.\u00a0 In the end, progress was made and demonstrated in each patient, but for some more time may be required to fully benefit from the alterations in the microbiome.\u00a0 It is also very possible that the anti-inflammatory effects of the herbs utilized in the proprietary blend may reach far beyond the gastrointestinal tract, which can further add benefit to the patient, even potentially impacting the metabolic status and sugar metabolism.\u00a0 This has been noted in human research. (10)<\/p>\n The gastrointestinal microbiome is an organ system in itself, linked closely with overall health on many levels.\u00a0 When this system is out of balance, disease and a lack of health can quickly develop.\u00a0 Keeping the microbiome balanced to the best of our abilities is likely a major step in regaining equine health and even performance.\u00a0 Accomplishing this task may not be easy and likely involves a several stage process from the diet to stress management in any given horse.\u00a0 The proprietary blend utilized in this research trial does offer hope that gains can be made to re-balance the microbiome in the horse, reduce potentially pathogenic bacteria numbers, and offer anti-inflammatory benefits.\u00a0 This blend could provide much needed benefits on many levels to the average horse whether a high-level competitor or one suffering the pains of chronic laminitis.<\/p>\n Researcher Notation<\/strong>:\u00a0 The use of the Triphala blend with concentrated tannins (Cur-OST EQ Tri-GUT)<\/a><\/strong><\/span> has demonstrated similar benefits in further follow ups regarding the equine digestive microbiome and assisting in balance without the need for Humulus lupulus<\/em> or yeast extracts.\u00a0 Custom digestive blends for the horse are available, including formulations with Humulus lupulus<\/em> and other herbs, through Secondvet<\/a><\/strong><\/span>.<\/p>\n <\/p>\n Author<\/strong>:\u00a0 Tom Schell, D.V.M., CVCH, CHN<\/p>\n Notes<\/strong>:\u00a0 Dr. Tom Schell is a chief researcher and product developer for Nouvelle Research, Inc., and also maintains active consultations to equine patients through Secondvet.<\/p>\n Author contact<\/strong>:\u00a0 tschelldvm@gmail.com<\/p>\n References:<\/p>\n <\/p>\n <\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" The equine digestive microbiome has become an area of interest in recent research, attempting to determine if connections exist with other health and lameness concerns.\u00a0 In human research, a large amount of data has been produced regarding the health of the digestive microbiome and implications on 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Results<\/h3>\n
![\"\"](\"https:\/\/nouvelleresearch.com\/wp-content\/uploads\/Tri-GUT-Results-Chart-1-1140x760.jpg\")
<\/p>\nDiscussion<\/h3>\n
Conclusion<\/h3>\n
\n