{"topic_id":"evidence_equine_joint_arthritis_diet","category":"evidence","context":"---\ntopic_id: evidence_equine_joint_arthritis_diet\ncategory: evidence\ntitle: \"Horse — joint health & arthritis (OA) — dietary management (Europe PMC)\"\nlang: en\nsource: \"Europe PMC REST search (europepmc.org), query '(horse OR equine) AND (joint OR osteoarthritis OR arthritis OR polyarthritis) AND (diet OR nutrition OR supplementation OR feeding)', 20650 hits, pulled 2026-07-22\"\nsource_file: pdf-raw/evidence/europepmc_evidence_equine_joint_arthritis_diet_2026-07-22.txt\ndate_parsed: 2026-07-22\ntokens_estimated: 260\nverification:\n  method: paraphrase\n  claims: 30\n  passed: 30\n  date: 2026-07-22\nsource_document: \"Veterinary / medical evidence (guideline or study) — PMID 42278060\"\ncitation:\n  authority: \"Europe PMC\"\n  title: \"Horse — joint health & arthritis (OA) — dietary management (Europe PMC)\"\n  url: \"https://pubmed.ncbi.nlm.nih.gov/42278060/\"\n  retrieved: \"2026-07-22\"\n  ref: \"PMID 42278060\"\n  doc_type: \"official PDF\"\n  needs_review: false\ncopyright_note: \"Mixed licensing per COPYRIGHT_POLICY §3: Open Access (CC BY) studies retained verbatim with attribution; non-Open-Access studies paraphrased as derived fact summaries (numbers and proper nouns preserved, sentences rewritten).\"\nlicense: mixed\nauthority_tier: T2\nauthority_tier_basis: \"T2:oa-repo\"\nauthority_tier_date: 2026-08-04\n---\n\n# Horse — joint health & arthritis (OA) — dietary management (Europe PMC)\nSource: Europe PMC REST search, query \"(horse OR equine) AND (joint OR osteoarthritis OR arthritis OR polyarthritis) AND (diet OR nutrition OR supplementation OR feeding)\", 20650 hits (2026-07-22). 6 representative studies below (filtered for species + nutrition relevance).\n\n1. PMID 42278060 — The Role of Omega-3 Fatty Acids in Horses' Nutrition-A Review. (Animals : an open access journal from MDPI, 2026). Abstract (opening): This narrative review presents examples of omega-3 fatty acids supplementation in horse nutrition. Fats are essential in equine nutrition, serving not only as an energy source but  *[CC BY — Open Access, verbatim with attribution.]*\n2. PMID 42071996 — Efficacy of an Oral Chondroprotective Joint Supplement on Stride Length and Gait Symmetry in Aged Geldings with Chronic Lameness. (Animals : an open access journal from MDPI, 2026). Abstract (opening): Oral joint supplements (OJSs), specifically those containing glucosamine and chondroitin sulfate, are some of the most popular feed additives fed by horse owners. However, evidence *[CC BY — Open Access, verbatim with attribution.]*\n3. PMID 42087024 — *[Paraphrased derived summary — non-Open-Access source.]* A 2026 Biological Trace Element Research study on purebred Arabian foals investigated boron supplementation and its effects on growth performance, bone, and mineral metabolism. The authors note boron participates in mineral, lipid, and energy metabolism as well as immune, endocrine, and neural function; the excerpt is cut off before the supplementation results are reported.\n4. PMID 41834880 — Natural eggshell membrane supplementation for chronic lameness in warmblood horses: a 12-week prospective before-after study. (Frontiers in veterinary science, 2026). Abstract (opening): Osteoarthritis is a leading cause of equine lameness, yet pragmatic evidence for nutraceuticals in horses remains limited. We prospectively evaluated 12 weeks of daily natural eggs *[CC BY — Open Access, verbatim with attribution.]*\n5. PMID 42193726 — Welfare Assessment in Equine-Assisted Service (EAS) Horses. (Animals : an open access journal from MDPI, 2026). Abstract (opening): Equine-Assisted Service (EAS) horses can be exposed to stressors that affect their behavior and welfare. Previous studies investigated behavioral and physiological indicators (PI)  *[CC BY — Open Access, verbatim with attribution.]*\n6. PMID 41227525 — Free Plasma Amino Acid Concentrations in Horses Fed Different Dosing Regimens of Hydrolysed Collagen. (Animals : an open access journal from MDPI, 2025). Abstract (opening): Hydrolysed collagen is used as a supplement for horses with osteoarthritis, hoof horn growth problems, and gastric ulcers. To determine the oral availability of a specific hydrolys *[CC BY — Open Access, verbatim with attribution.]*\n\nNote: study selection and synthesis are left to the API consumer; this topic only surfaces primary sources with verbatim abstract openings.\n\nSource text: `pdf-raw/evidence/europepmc_evidence_equine_joint_arthritis_diet_2026-07-22.txt` (Europe PMC REST + PubMed efetch, 2026-07-22).\n\n## License & attribution\n\nMixed licensing per COPYRIGHT_POLICY §3: Open Access (CC BY / CC BY-NC /\nCC BY-NC-ND) studies are reproduced verbatim with attribution under their specific\nCC license; non-Open-Access studies are paraphrased as derived fact summaries\n(numbers and proper nouns preserved, sentences rewritten). Original records:\n- https://pubmed.ncbi.nlm.nih.gov/41227525/\n- https://pubmed.ncbi.nlm.nih.gov/41834880/\n- https://pubmed.ncbi.nlm.nih.gov/42071996/\n- https://pubmed.ncbi.nlm.nih.gov/42087024/\n- https://pubmed.ncbi.nlm.nih.gov/42193726/\n- https://pubmed.ncbi.nlm.nih.gov/42278060/\n","sources":["Europe PMC — Horse — joint health & arthritis (OA) — dietary management (Europe PMC) (retrieved 2026-07-22)"],"source":{"authority":"Europe PMC","title":"Horse — joint health & arthritis (OA) — dietary management (Europe PMC)","url":"https://pubmed.ncbi.nlm.nih.gov/42278060/","retrieved":"2026-07-22","ref":"PMID 42278060","doc_type":"official PDF","source_document":"Veterinary / medical evidence (guideline or study) — PMID 42278060","verification_file":"pdf-raw/evidence/europepmc_evidence_equine_joint_arthritis_diet_2026-07-22.txt"},"source_document":"Veterinary / medical evidence (guideline or study) — PMID 42278060","source_file":"pdf-raw/evidence/europepmc_evidence_equine_joint_arthritis_diet_2026-07-22.txt","trust":{"authority_tier":"T2","fidelity":"paraphrase","license":"mixed","display_grade":"B"},"tokens_estimated":260,"generated_at":null,"tip":"Use /api/v1/topics to discover more topics. /api/v1/nutrient for precise single-point queries. /api/v1/cross_compare for 2-3 standard comparisons."}