{"topic_id":"evidence_feline_constipation_hairball_diet","category":"evidence","context":"---\ntopic_id: evidence_feline_constipation_hairball_diet\ncategory: evidence\ntitle: \"Evidence cluster — feline constipation & hairball management via diet (peer-reviewed, Europe PMC + PubMed)\"\nlang: en\nsource_file: pdf-raw/evidence/europepmc_feline_constipation_hairball_diet_2026-07-22.txt\nsource: Europe PMC REST search (first-hand PMIDs) + PubMed efetch verbatim abstracts, pulled 2026-07-22\ndate_parsed: 2026-07-22\nmodel: codebuddy\nbatch: P0-EVIDENCE-8\nverified: true\npath: evidence/evidence_feline_constipation_hairball_diet/01_feline_constipation_hairball_diet.md\nsource_document: \"Veterinary / medical evidence (guideline or study) — PMID 42254911\"\ncitation:\n  authority: \"Europe PMC\"\n  title: \"Evidence cluster — feline constipation & hairball management via diet (peer-reviewed, Europe PMC + PubMed)\"\n  url: \"https://pubmed.ncbi.nlm.nih.gov/42254911/\"\n  retrieved: \"2026-07-22\"\n  ref: \"PMID 42254911\"\n  doc_type: \"official PDF\"\n  needs_review: false\nlicense: cc_by\nauthority_tier: T2\nauthority_tier_basis: \"T2:oa-repo\"\nauthority_tier_date: 2026-08-04\n---\n# evidence_feline_constipation_hairball_diet\n\nSource: first-hand peer-reviewed abstracts (Europe PMC / PubMed efetch), reproduced verbatim. Each claim below is a C1 substring of the cited source file.\n\n## Claims (C1 — verbatim substrings of source_file)\n\n1. PMID 42254911 — Can cultivated hamster cells compete with chicken meat? Insights on acceptance and digestibility in domestic cats (Front Vet Sci, 2026). Abstract (opening): In response to the challenges posed by a growing human and pet population and the climate crisis, novel ingredients such as cultivated meat have emerged as promising solutions to address concerns related to sustainability, ethics and food security. However, data on its nutritional performance and suitability for use in animal nutrition remain limited.\n2. PMID 41631677 — A psyllium-supplemented gastrointestinal diet is effective for the management of chronic constipation in cats: a 6-month controlled clinical trial (J Feline Med Surg, 2026). Abstract (opening): ObjectivesThis study evaluated the efficacy of a psyllium-enriched diet for the management of chronic constipation in cats.MethodsA multicentre, controlled, blinded, 6-month trial randomly assigned client-owned cats to a gastrointestinal test diet containing 6% psyllium or similar control diet containing 0.5% psyllium (as-fed values). Inclusion criteria included two or more constipation episodes in the previous 6 months and two or more constipation signs for 14 days or longer.\n3. PMID 42072044 — X-Linked Muscular Dystrophy in a Cat with a Putative Variant in the <i>DMD</i> Gene (Animals (Basel), 2026). Abstract (opening): X-linked dystrophin-deficient muscular dystrophy (DD-MD) is an uncommon neuromuscular disorder in cats. We described an adult male cat with chronic tongue protrusion, dysphagia, muscle hypertrophy, and a history of rhabdomyolysis associated with anesthesia.\n4. PMID 40678920 — Quantification of defecation frequency in cats with and without chronic kidney disease (J Feline Med Surg, 2025). Abstract (opening): ObjectivesThe purpose of this study was to objectively measure defecation frequency in cats with and without chronic kidney disease (CKD). Cats with CKD are at higher risk for presenting with constipation.\n5. PMID 42121775 — A Tolerance Study of Turmeric Extract in Healthy Adult Cats (Animals (Basel), 2026). Abstract (opening): Turmeric has a long history of use as a colorant and flavoring agent. Turmeric extract (TE) is a feed additive containing at least 90% total curcuminoids, comprising mainly curcumin, desmethoxycurcumin and bisdemethoxycurcumin.\n\nSource: `pdf-raw/evidence/europepmc_feline_constipation_hairball_diet_2026-07-22.txt`\n\n## License & attribution\n\nSource abstracts / records are Open Access under Creative Commons. Each referenced\nstudy is reproduced with attribution under its specific CC license (CC BY / CC BY-NC /\nCC BY-NC-ND); the exact license variant for each reference is stated on its Europe PMC /\nPMC record. Original records:\n- https://pubmed.ncbi.nlm.nih.gov/40678920/\n- https://pubmed.ncbi.nlm.nih.gov/41631677/\n- https://pubmed.ncbi.nlm.nih.gov/42072044/\n- https://pubmed.ncbi.nlm.nih.gov/42121775/\n- https://pubmed.ncbi.nlm.nih.gov/42254911/\n","sources":["Europe PMC — Evidence cluster — feline constipation & hairball management via diet (peer-reviewed, Europe PMC + PubMed) (retrieved 2026-07-22)"],"source":{"authority":"Europe PMC","title":"Evidence cluster — feline constipation & hairball management via diet (peer-reviewed, Europe PMC + PubMed)","url":"https://pubmed.ncbi.nlm.nih.gov/42254911/","retrieved":"2026-07-22","ref":"PMID 42254911","doc_type":"official PDF","source_document":"Veterinary / medical evidence (guideline or study) — PMID 42254911","verification_file":"pdf-raw/evidence/europepmc_feline_constipation_hairball_diet_2026-07-22.txt"},"source_document":"Veterinary / medical evidence (guideline or study) — PMID 42254911","source_file":"pdf-raw/evidence/europepmc_feline_constipation_hairball_diet_2026-07-22.txt","trust":{"authority_tier":"T2","fidelity":"verbatim","license":"cc_by","display_grade":"A"},"tokens_estimated":695,"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."}