{"topic_id":"exotic_husbandry_guinea_pig_diet","category":"exotic-pet-husbandry","context":"---\ntopic_id: exotic_husbandry_guinea_pig_diet\ncategory: exotic-pet-husbandry\ntitle: \"Guinea pig diet — mandatory dietary vitamin C; no endogenous synthesis\"\nlang: en\nsource: \"Merck Veterinary Manual (merckvetmanual.com) — non-Open-Access; paraphrased derived fact summary per COPYRIGHT_POLICY §3.\"\nsource_file: pdf-raw/exotic-toxicology/guinea-pig.txt\ndate_parsed: 2026-07-29\ntokens_estimated: 56\nverified: true\nverification:\n  method: paraphrase\n  claims: 3\n  passed: 3\n  date: 2026-08-04\nsource_document: \"Merck Veterinary Manual (professional veterinary reference)\"\ncitation:\n  authority: \"Merck Veterinary Manual\"\n  title: \"Guinea pig diet — mandatory dietary vitamin C; no endogenous synthesis\"\n  url: \"https://www.merckvetmanual.com/exotic-and-laboratory-animals/rodents/guinea-pigs\"\n  retrieved: \"2026-07-29\"\n  ref: \"\"\n  doc_type: \"professional veterinary reference\"\n  needs_review: false\nlicense: paraphrase\ncopyright_note: \"Source Merck Veterinary Manual (merckvetmanual.com) is © Merck & Co., Inc. and not openly licensed; per COPYRIGHT_POLICY §3 all claims are paraphrased derived fact summaries (numbers and proper nouns preserved, sentences rewritten), not verbatim quotations.\"\nauthority_tier: T3\nauthority_tier_basis: \"T3:vet-ref\"\nauthority_tier_date: 2026-08-04\n---\n# Guinea pig diet — mandatory dietary vitamin C; no endogenous synthesis\n\nSource: Merck Veterinary Manual (merckvetmanual.com), a copyrighted professional veterinary reference. Per COPYRIGHT_POLICY §3, the points below are paraphrased derived fact summaries: numerical values and proper nouns are preserved from the source, but sentences are rewritten and not quoted verbatim.\n\n## Claims\n\n*[Paraphrased derived summary — non-Open-Access source.]* All guinea pigs need vitamin C in the diet; they cannot make it themselves because their L-gulonolactone oxidase gene is mutated, and deficiency damages type IV collagen, laminin, and elastin.\n*[Paraphrased derived summary — non-Open-Access source.]* Overgrown or misaligned teeth are usually linked to poor nutrition (e.g., lack of vitamin C or fibre, or other husbandry gaps), though trauma and genetics can also play a role.\n","sources":["exotic-pet-husbandry — Guinea pig diet — mandatory dietary vitamin C; no endogenous synthesis (retrieved 2026-07-29)"],"source":{"authority":"exotic-pet-husbandry","title":"Guinea pig diet — mandatory dietary vitamin C; no endogenous synthesis","url":"https://www.merckvetmanual.com/exotic-and-laboratory-animals/rodents/guinea-pigs","retrieved":"2026-07-29","ref":"","doc_type":"official PDF","source_document":"Merck Veterinary Manual (professional veterinary reference)","verification_file":"pdf-raw/exotic-toxicology/guinea-pig.txt"},"source_document":"Merck Veterinary Manual (professional veterinary reference)","source_file":"pdf-raw/exotic-toxicology/guinea-pig.txt","trust":{"authority_tier":"T3","fidelity":"paraphrase","license":"paraphrase","display_grade":"B"},"tokens_estimated":56,"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."}