Guinea pig nutrition — dietary vitamin C requirement
Source: Merck Veterinary Manual (merckvetmanual.com), a copyrighted 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.
Claims
- *[Paraphrased derived summary — non-Open-Access source.]* Use a solid-floor enclosure to avoid pododermatitis and foot or limb injury.
- *[Paraphrased derived summary — non-Open-Access source.]* Bedding may be recycled paper products, fleece, or other fiber- and string-free material.
- *[Paraphrased derived summary — non-Open-Access source.]* Provide more hiding spots than animals (e.g., three guinea pigs need at least four hides).
- *[Paraphrased derived summary — non-Open-Access source.]* Give safe, nontoxic enrichment items, store-bought or homemade.
- *[Paraphrased derived summary — non-Open-Access source.]* Guinea pigs are obligate herbivore hindgut fermenters built for a high-fiber, low-nutrient, poorly digestible diet.
- *[Paraphrased derived summary — non-Open-Access source.]* Adults need high-quality grass-based hay, plus grass-based species pellets and produce.
- *[Paraphrased derived summary — non-Open-Access source.]* Growing guinea pigs need leafy greens and low-sugar fruit such as bell peppers, cucumbers, and tomatoes.
- *[Paraphrased derived summary — non-Open-Access source.]* Make all diet changes gradually.
- *[Paraphrased derived summary — non-Open-Access source.]* They need a steady vitamin C source: about 10–25 mg/kg/day for adults and 30 mg/kg or more for growing, pregnant, lactating, or ill individuals.
- *[Paraphrased derived summary — non-Open-Access source.]* Many commercial pellets use a stabilized form of vitamin C that resists breakdown by heat and light.
- *[Paraphrased derived summary — non-Open-Access source.]* Fresh produce supplies additional vitamin C.
- *[Paraphrased derived summary — non-Open-Access source.]* A 2025 study linked offering 7–10 or more types of produce to a lower chance of urinary stones.
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License & attribution
Source: Merck Veterinary Manual (merckvetmanual.com) is a copyrighted veterinary reference and is not openly licensed. Per COPYRIGHT_POLICY §3, every claim above is a paraphrased derived fact summary (numbers and proper nouns preserved, sentences rewritten), not a verbatim quotation.
- https://www.merckvetmanual.com/exotic-and-laboratory-animals