Dachshund Gut Health: The Hidden Inflammation Behind Their Famous Back Problem

Summary

Dachshunds have the highest lifetime prevalence of intervertebral disc disease (IVDD) of any dog breed, with a risk 10–12 times greater than other breeds. The underlying cause is chondrodystrophy: a genetic mutation causing premature disc mineralisation that cannot be prevented through nutrition. What can be influenced is the systemic inflammatory environment in which the spinal structures exist. Gut dysbiosis, characterised by increased intestinal permeability, lipopolysaccharide translocation, and chronically elevated pro-inflammatory cytokines, amplifies the inflammatory load on every connective tissue in the body, including the intervertebral discs.¹ This article examines the mechanisms of the gut-joint axis in the Dachshund, the role of short-chain fatty acids in modulating systemic inflammation, the breed’s documented vulnerability to excess weight, and the practical role of microbiome support alongside veterinary management of a breed defined by its structural challenge.

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Introduction

There is no breed more immediately associated with back problems than the Dachshund. The long back, the low-slung frame, the characteristic silhouette that has made them one of the UK’s most recognisable and adored breeds — these are also the features that place their intervertebral discs under extraordinary mechanical and biological pressure throughout their lives. For Dachshund owners, IVDD is not an abstract concern. It is a reality that shapes how they pick their dog up, what furniture they allow access to, and, for many, a defining veterinary experience that arrives without warning.

What receives less attention is the inflammatory dimension of spinal disc health — and this is where gut health science enters the picture. The Dachshund’s structural vulnerability is genetic and irreversible. But genetics does not operate in isolation. Every tissue in the body, including cartilage and the connective structures of the intervertebral disc, exists within an inflammatory environment that the gut microbiome helps to regulate. A gut microbiome in dysbiosis, characterised by bacterial imbalance, compromised barrier integrity, and reduced short-chain fatty acid production, contributes to the systemic low-grade inflammation that affects connective tissues throughout the body.

This article is not a claim that gut health prevents IVDD. It is a careful examination of the mechanisms through which a well-maintained microbiome supports the anti-inflammatory environment in which every Dachshund lives — and why that matters for a breed carrying one of the most significant structural health challenges in the canine world.

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Key Takeaways

• Dachshunds have the highest lifetime prevalence of IVDD of any dog breed, with a relative risk 10–12 times higher than other breeds. This is a genetic, structural condition caused by the FGF4 retrogene insertion on chromosome 12.¹
• Gut dysbiosis drives systemic low-grade inflammation through increased intestinal permeability, LPS translocation, and elevated pro-inflammatory cytokines. These mechanisms affect connective tissue throughout the body, including spinal structures.²
• Short-chain fatty acids (SCFAs) produced by gut bacteria exert direct anti-inflammatory effects, reinforce gut barrier integrity, and suppress pro-inflammatory cytokine signalling via the gut-joint axis.³
• Dachshunds have a well-documented tendency towards excess weight, which independently increases IVDD risk and loads the spine. The gut-metabolic axis connects microbiome health to weight regulation and metabolic signalling in dogs.⁴
• Gut health support does not prevent or treat IVDD. It supports the anti-inflammatory environment in which a structurally vulnerable breed lives, providing a meaningful foundation for long-term wellbeing.

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In This Guide

• The Gut Health Profile of the Dachshund
• IVDD in the Dachshund: A Genetic Predisposition and Its Inflammatory Dimension
• The Gut-Joint Axis: How the Microbiome Connects to Inflammation and Connective Tissue Health
• Gut Dysbiosis and Systemic Inflammation: The Mechanisms That Matter
• Weight, the Gut-Metabolic Axis, and Spinal Loading in the Dachshund
• Dachshund Gastrointestinal Predispositions: IBD, SIBO, and Microbiome Vulnerability
• How Bonza Supports Dachshund Gut Health
• How To Support Your Dachshund’s Gut Health: A Practical Guide
• Safety Considerations and When to See Your Vet
• Frequently Asked Questions
• Conclusion
• Related Articles
• References
• Editorial Information

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The Gut Health Profile of the Dachshund

The Dachshund is a breed defined by a single, dominant characteristic: structural vulnerability at the spine. Virtually every aspect of what makes a Dachshund recognisable — the elongated torso, the disproportionately short limbs, the low centre of gravity — stems from the same genetic event that predisposes the breed to intervertebral disc disease. Understanding why gut health matters to this breed begins with understanding what IVDD actually is, where it comes from, and why the inflammatory environment in which the Dachshund’s spine exists is not simply a consequence of genetics but something that can meaningfully be addressed.

The breed’s gut health profile is shaped by the intersection of this structural vulnerability and the systemic inflammatory state that gut dysbiosis is capable of generating and sustaining. Alongside IVDD risk, Dachshunds carry a well-documented tendency towards obesity, which loads the spine independently of genetics and places the gut-metabolic axis at the centre of any weight management conversation. Together, these factors make the Dachshund one of the clearest examples of a breed for whom gut health support is not a peripheral consideration but a meaningful pillar of long-term wellbeing.

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IVDD in the Dachshund: A Genetic Predisposition and Its Inflammatory Dimension

Intervertebral disc disease is the most significant health challenge facing the Dachshund breed. The DachsLife 2015 survey, conducted across 2,031 UK Dachshunds, identified an overall IVDD prevalence of 15.7%, rising to 24.4% in Standard Smooth-Haired Dachshunds, and reported a relative risk 10–12 times higher than other breeds.¹ The tendency towards disc herniation is hereditary; the disc calcification score has an estimated heritability of 0.6–0.87 in some populations.⁵

The genetic mechanism is now well characterised. A retrogene insertion of the FGF4 gene on chromosome 12 (CFA12) is responsible for chondrodystrophy and Hansen Type I IVDD susceptibility across multiple chondrodystrophic breeds, with the Dachshund among those most severely affected.⁶ This insertion causes a roughly 20-fold increase in FGF4 expression in neonatal intervertebral disc tissue, leading to premature chondroid metaplasia of the nucleus pulposus beginning in the first year of life. As the disc’s gelatinous core calcifies and loses water content, its ability to absorb mechanical load deteriorates. The result is a disc vulnerable to herniation into the spinal canal, causing compression of the spinal cord, severe pain, and in some cases permanent neurological deficits or paralysis.

This is a structural, genetic condition. It cannot be prevented by diet, supplementation, or any microbiome intervention. What can be influenced is the inflammatory environment in which those vulnerable discs and the surrounding connective tissues exist.

Disc degeneration in chondrodystrophic breeds is not simply a mechanical failure. The herniated disc material triggers a marked inflammatory response on contact with the spinal cord, characterised by elevated TNF-alpha, IL-6, and IL-1beta, and macrophage infiltration.⁷ The severity of clinical outcomes, the speed of degeneration, and the degree of inflammatory burden on the connective tissues surrounding the spine are all shaped by the systemic inflammatory state of the individual dog. This is where gut biology becomes relevant. Gut dysbiosis sustains precisely the chronic, low-grade pro-inflammatory cytokine environment that research links to connective tissue degeneration throughout the body. In a breed carrying a lifelong structural vulnerability, the argument for maintaining the lowest possible systemic inflammatory load is not speculative. It is a rational extension of what the evidence tells us about inflammation and tissue health.

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The Gut-Joint Axis: How the Microbiome Connects to Inflammation and Connective Tissue Health

The gut-joint axis describes the bidirectional relationship between intestinal microbial health and the health of joint and connective tissues throughout the body. Research published in 2026 characterised this axis as a mechanistic continuum through which the intestinal microbiota influences joint tissues via metabolic, immune, and endocrine pathways.⁷ Under physiological conditions, a balanced gut microbiome maintains epithelial integrity, produces anti-inflammatory metabolites, and promotes immune tolerance, collectively supporting both gut and systemic tissue homeostasis.

When dysbiosis arises, this balance breaks down. Disrupted intestinal tight junctions allow bacterial components, primarily lipopolysaccharide (LPS) from the outer membrane of Gram-negative bacteria, to translocate into systemic circulation. Circulating LPS binds to the CD14/MD-2 complex on the Toll-like receptor 4 (TLR4) pathway on synovial macrophages and chondrocytes, triggering the NFkB pathway and stimulating the production of pro-inflammatory cytokines including IL-1beta, TNF-alpha, and IL-6, as well as matrix-degrading enzymes.⁷ This process promotes cartilage damage and subchondral bone remodelling in the context of osteoarthritis, and the same inflammatory cascade drives connective tissue degradation more broadly.

For the Dachshund, whose intervertebral discs are already biologically predisposed to degeneration, this systemic inflammatory amplification is not a minor variable. The disc annulus fibrosus, the outer fibrous ring that contains the nucleus pulposus under mechanical load, is a connective tissue structure whose integrity is influenced by the same cytokine environment that drives degradation in joint cartilage. Chronically elevated TNF-alpha and IL-6 do not discriminate between joint cartilage and disc connective tissue. In a breed where disc integrity is the defining health concern, reducing the inflammatory burden at the systemic level is a rational supporting strategy.

The counterpoint to this inflammatory cascade is equally well characterised. Short-chain fatty acids, produced through bacterial fermentation of dietary fibre by commensal gut microbiota, reinforce intestinal tight junctions, limit bacterial translocation, and regulate immune balance via G-protein-coupled receptors GPR41 and GPR43.⁷ ⁸ They enhance regulatory T-cell populations, suppress T-helper 17 responses, and exert direct anti-inflammatory effects at the mucosal and systemic level. A gut microbiome with sufficient diversity and abundance of SCFA-producing bacterial populations is therefore actively contributing to the anti-inflammatory state that protects connective tissue function throughout the body, including in the Dachshund’s uniquely vulnerable spine.

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Gut Dysbiosis and Systemic Inflammation: The Mechanisms That Matter

Gut dysbiosis is not simply a description of an unbalanced microbiome. It is a condition with measurable systemic consequences. The cardinal features of dysbiosis include a reduction in microbial richness and diversity and an outgrowth of Gram-negative LPS-producing Proteobacteria, which are associated with augmented intestinal permeability.² This increased permeability allows bacterial endotoxins to enter systemic circulation in a process now well-documented in both human and comparative veterinary research.

Once LPS enters the bloodstream, it activates the TLR4 pathway and the downstream transcription factor NFkB, stimulating the production of TNF-alpha and IL-6. These cytokines, when chronically elevated, constitute a state of low-grade systemic inflammation that research consistently associates with accelerated tissue ageing, connective tissue degradation, and metabolic disruption. In the context of joint disease specifically, gut microbiome dysbiosis has been shown to accelerate cartilage degeneration and increase osteophyte formation in animal models of osteoarthritis, with serum LPS levels significantly elevated in dysbiotic subjects compared to controls.⁹

The opposite is also well-documented. When SCFA-producing bacterial populations are abundant, butyrate, propionate, and acetate are generated through the fermentation of dietary fibre. Butyrate is the primary energy substrate for colonocytes and a potent suppressor of the NFkB-mediated inflammatory pathway. It inhibits histone deacetylase (HDAC) activity, stabilises hypoxia-inducible factor-1 (HIF-1), and upregulates the expression of tight junction proteins including zonula occludens-1 and occludin.⁸ The net result is a gut epithelium that is less permeable, a systemic circulation that carries lower levels of LPS, and a cytokine environment with reduced pro-inflammatory activity.

For the Dachshund, this mechanistic chain matters at every link. A dysbiotic microbiome drives LPS translocation and cytokine elevation. A healthy microbiome, rich in SCFA-producing commensals, suppresses that cascade and actively maintains the tight junction integrity that prevents it. The gut is not operating in isolation from the spine. It is contributing, every day, to the inflammatory state in which spinal tissues exist and function.

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Weight, the Gut-Metabolic Axis, and Spinal Loading in the Dachshund

Excess body weight in the Dachshund is not simply a cosmetic concern. It is a documented, modifiable risk factor for IVDD. The DachsLife 2015 survey identified that 46% of Miniature Dachshunds in one study population were overweight, and a separate analysis found that increasing the ratio of body length to withers height substantially elevated IVDD probability.¹ Even modest excess weight increases the mechanical loading on already degenerated discs, and in a breed whose discs begin calcifying in the first year of life, this mechanical burden is additive to an already significant biological risk.

The gut-metabolic axis connects microbiome composition to body weight through several well-characterised mechanisms. Obese dogs show consistently altered fecal microbiome profiles compared to lean dogs, including reduced diversity and shifts in the Firmicutes-to-Bacteroidota ratio that influence energy harvest efficiency.¹⁰ ¹¹ Gut microbiota composition in obese dogs has been shown to relate to weight loss rate, with SCFA-producing bacterial populations influencing how efficiently dietary energy is extracted and utilised.¹¹ LPS is elevated in the intestines of obese dogs and enters the bloodstream through a weakened intestinal barrier, contributing to systemic inflammation and hepatic fat accumulation in a self-reinforcing cycle.¹⁰

SCFA-producing bacterial populations also exert satiety and appetite-regulating effects through the stimulation of GLP-1 secretion by L-cells in the distal gut, and through propionate and acetate signalling at GPR41 and GPR43. These effects on appetite regulation and energy homeostasis provide a mechanistic rationale for supporting microbiome diversity as part of weight management in predisposed breeds.

In practical terms for Dachshund owners, this means that gut health and weight management are connected, not separate conversations. A microbiome under stress, whether through poor dietary diversity, antibiotic exposure, or chronic dysbiosis, is likely contributing to the metabolic and inflammatory environment that makes weight gain easier and weight loss harder. Restoring microbiome diversity and SCFA-producing bacterial abundance supports the metabolic signalling and anti-inflammatory state that weight management in this breed requires.

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Dachshund Gastrointestinal Predispositions: IBD, SIBO, and Microbiome Vulnerability

While IVDD is the defining health concern of the Dachshund, the breed’s inflammatory background and documented tendency towards obesity create meaningful gastrointestinal risk. Obesity in dogs is consistently associated with dysbiosis, including reduced microbial diversity and altered short-chain fatty acid production, and the same chronic systemic inflammation that loads the spine also affects the intestinal mucosal environment.²

Dachshunds presenting with chronic digestive symptoms including intermittent loose stools, altered frequency, or signs of gut sensitivity may be experiencing the downstream consequences of a microbiome under chronic inflammatory and metabolic stress. Whilst Dachshunds do not carry the breed-specific enteropathy profiles documented in, for example, German Shepherds (antibiotic-responsive diarrhoea), Boxers (granulomatous colitis), or Soft-Coated Wheaten Terriers (protein-losing enteropathy), any dog carrying a chronically elevated systemic inflammatory load is at greater susceptibility to gastrointestinal inflammatory conditions.

Chronic low-grade systemic inflammation associated with dysbiosis elevates mucosal cytokine activity, reduces the integrity of the mucosal barrier, and may predispose to the clinical presentation of chronic enteropathy in individual dogs. For Dachshund owners managing a dog that presents with both spinal health concerns and digestive irregularity, the connection between these two clinical pictures is not coincidental. It reflects the same systemic inflammatory state, originating in part from the gut, that the gut-joint and gut-immune axes describe.

Microbiome support in this context is not targeted at a specific breed-associated enteropathy. It is aimed at the reduction of the broad systemic inflammatory burden that dysbiosis generates, and at the maintenance of mucosal barrier integrity and SCFA production that characterise a gut microbiome functioning well.

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How Bonza Supports Dachshund Gut Health

Biotics: The Daily Microbiome Foundation

For every Dachshund, regardless of age, weight, or spinal history, daily microbiome support is the foundational priority. Biotics delivers the full Biotics Triad: prebiotics to selectively nourish SCFA-producing bacterial populations; Calsporin® (Bacillus velezensis DSM 15544) as the live probiotic in the formulation, supporting microbiome diversity and colonisation resistance; and TruPet™ as a standalone postbiotic alongside L. helveticus HA-122, a heat-inactivated postbiotic delivering bioactive compounds derived from fermentation without the viability constraints of live strains.

Together, this triad supports microbiome diversity, gut barrier integrity, and the anti-inflammatory SCFA environment that modulates systemic inflammatory signalling. In a breed where structural spinal vulnerability coexists with a lifelong requirement to keep systemic inflammation as low as possible, daily microbiome support is not optional supplementation. It is the biological foundation from which everything else proceeds.

Bounce: The Primary Secondary Recommendation for This Breed

Bounce is the most directly relevant secondary recommendation for the Dachshund. Formulated for joint and connective tissue support, Bounce operates through the gut-joint axis, providing targeted bioactive support at both the microbiome and musculoskeletal levels. Its ingredient profile addresses the inflammatory and structural dimensions of connective tissue health that are most relevant to a breed defined by spinal vulnerability.

For Dachshund owners managing IVDD risk, monitoring an existing diagnosis, or simply maintaining the healthiest possible musculoskeletal environment for their dog, Bounce alongside daily Biotics represents the most clinically coherent dual recommendation the series has produced for any breed to date. This pairing directly addresses the gut-joint axis at both its microbiome and tissue endpoints.

Belly: The Alternative for Digestive Presentation

For Dachshunds presenting primarily with digestive symptoms — intermittent loose stools, gut sensitivity, signs consistent with mucosal irritation or gastrointestinal discomfort — Belly is the appropriate secondary recommendation alongside Biotics. Belly supports mucosal lining integrity and gut motility, providing targeted support for the digestive dimension of gut health where the clinical picture is primarily gastrointestinal rather than musculoskeletal.

For a full explanation of the three-layer prebiotic, probiotic and postbiotic framework that underpins these recommendations, see Gut Health Supplements for Dogs: Why Probiotics Alone Are Not Enough.

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How To Support Your Dachshund’s Gut Health: A Practical Guide

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Safety Considerations and When to See Your Vet

Gut health supplementation does not replace veterinary assessment for IVDD symptoms. If your Dachshund shows any signs of spinal pain, reluctance to jump or climb, altered gait, weakness in the hindlimbs, crying when touched along the back, or any sudden change in mobility, contact your vet immediately. IVDD is a veterinary emergency when neurological signs are present. Early assessment and treatment significantly improve outcomes.

Prebiotic and probiotic supplements are generally well tolerated in healthy dogs. Introduce any new supplement gradually and monitor for changes in stool consistency during the initial period. If your dog is on medication, has existing gastrointestinal disease, or has a history of IBD or other diagnosed gut conditions, consult your vet before starting supplementation.

Bounce contains ingredients formulated for adult dogs to support joint and connective tissue health. As with all supplements, consult your vet before use if your dog has existing health conditions or is under veterinary management for IVDD.

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Frequently Asked Questions

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Conclusion

The Dachshund is a breed living with a structural reality that no intervention can alter. The FGF4 retrogene insertion on chromosome 12 is written into the genome of virtually every Dachshund, and the disc degeneration it causes begins before the dog has left its first year of life. This is not a story with a dietary fix. But it is a story with a meaningful supporting chapter, and that chapter involves the gut.

What the gut-joint axis research tells us, clearly and consistently, is that the inflammatory environment in which connective tissues exist is not fixed. It is modulated, every day, by the composition and function of the gut microbiome. SCFA-producing bacterial populations maintain tight junction integrity, limit LPS translocation, and suppress the pro-inflammatory cytokine cascade that drives connective tissue degradation. When those populations are depleted through dysbiosis, the systemic inflammatory burden rises. When they are supported through fibre diversity, probiotic supplementation, and a healthy gut barrier, that burden is reduced.

For a breed carrying one of the most significant structural health challenges in the canine world, reducing every modifiable source of systemic inflammation is not a marginal consideration. It is the responsible approach to a complex, lifelong health challenge. The Dachshund’s back problem starts in its DNA. How inflamed the environment around that back is every day — that part, the owner can influence.

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Related Articles

• The Dog Gut Microbiome: Vital Key to Dog Health
• The Gut-Joint Axis in Dogs
• The Gut-Immune Axis in Dogs: How Gut Health Supports Immune Health
• Best Probiotics for Dogs: Canine Nutritionist’s Guide to Real Gut Impact
• Best Prebiotics for Dogs: Canine Nutritionist’s Complete Guide
• Gut Health Supplements for Dogs: Why Probiotics Alone Are Not Enough
• Gut Dysbiosis in Dogs: Causes, Symptoms & How to Restore Balance

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References

1. Packer RMA, Seath IJ, O’Neill DG, De Decker S, Volk HA. DachsLife 2015: an investigation of lifestyle associations with the risk of intervertebral disc disease in Dachshunds. Canine Genet Epidemiol. 2016;3(1):8. doi: 10.1186/s40575-016-0039-8. PMID: 27826450. PMC: PMC5097381.
2. Di Vincenzo F, Del Gaudio A, Petito V, Lopetuso LR, Scaldaferri F. Gut microbiota, intestinal permeability, and systemic inflammation: a narrative review. Intern Emerg Med. 2024;19(2):275–293. doi: 10.1007/s11739-023-03374-w. PMID: 37505311. PMC: PMC10954893.
3. Kaur N, Gupta AK Applications of inulin and oligofructose in health and nutrition. J Biosci. 2002;27(7):703–714. PMID 12571376. DOI: 10.1007/BF02708379
4. Kim H, Seo J, Park T, Seo K, Cho HW, Chun JL, Kim KH. Obese dogs exhibit different fecal microbiome and specific microbial networks compared with normal weight dogs. Sci Rep. 2023;13(1):723. doi: 10.1038/s41598-023-27846-3. PMID: 36639715. PMC: PMC9839755.
5. Bruun CS, Jessen MK, Proschowsky HF, Fredholm M. Breeding schemes for intervertebral disc disease in dachshunds: Is disc calcification score preferable to genotyping of the FGF4 retrogene insertion on CFA12? Canine Genet Epidemiol. 2020;7(1):18. doi: 10.1186/s40575-020-00097-9. PMC: PMC7708201.
6. Brown EA, Dickinson PJ, Mansour T, Sturges BK, Aguilar M, Young AE, Korff C, Lind J, Ettinger CL, Varon S, Pollard R, Brown CT, Raudsepp T, Bannasch DL. FGF4 retrogene on CFA12 is responsible for chondrodystrophy and intervertebral disc disease in dogs. Proc Natl Acad Sci USA. 2017;114(43):11476–11481. doi: 10.1073/pnas.1709082114. PMID: 29073074. PMC: PMC5664524.
7. Plewa P, Mucha A, Adamiak Z, Plewa S. Gut and Joint Microbiome and Dysbiosis: A New Perspective on the Pathogenesis and Treatment of Osteoarthritis. Pathogens. 2026;15(1):62. doi: 10.3390/pathogens15010062.
8. Rios-Covian D, Ruas-Madiedo P, Margolles A, Gueimonde M, de los Reyes-Gavilan CG, Salazar N. Intestinal short chain fatty acids and their link with diet and human health. Front Microbiol. 2016;7:185. doi: 10.3389/fmicb.2016.00185. PMID: 26925050. PMC: PMC4756104.
9. Liu S, Xu H, Liu L, Ma W, Fan H, Liu F, Wei Z, Hao J, Zheng Z, Zhao L, Yang B, Wu Z. Gut microbiome dysbiosis accelerates osteoarthritis progression by inducing IFP-SM inflammation in “double-hit” mice. Arthritis Res Ther. 2025 Jul 7;27(1):137. doi: 10.1186/s13075-025-03602-y. PMID: 40624668; PMCID: PMC12232632.
10. Li K, Xiao X, Li Y, et al. Insights into the interplay between gut microbiota and lipid metabolism in the obesity management of canines and felines. J Anim Sci Biotechnol. 2024;15(1):114. Published 2024 Aug 8. doi:10.1186/s40104-024-01073-w
11. Kieler IN, Shamzir Kamal S, Vitger AD, Nielsen DS, Lauridsen C, Bjornvad CR. Gut microbiota composition may relate to weight loss rate in obese pet dogs. Vet Med Sci. 2017;3(4):252-262. Published 2017 Nov 3. doi:10.1002/vms3.80

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Editorial Information

Field	Detail
Published	March 2026
Last Updated	March 2026
Reviewed by	Veterinary Advisory Board
Next Review	March 2027
Author	Glendon Lloyd, Diploma in Canine Nutrition (Distinction), Diploma in Dog Nutrigenomics (Distinction)
Disclaimer	This article is for informational purposes only and does not constitute veterinary advice. Always consult a qualified veterinarian before making changes to your dog’s diet or supplement regimen.