How should pellets be fed to a guinea pig?

A small measured amount, about 2 tablespoons a day.

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  1. In a small measured amount ✔
  2. Unlimited
  3. Only every other day

Why: Merck suggests about 2 tablespoons of pellets a day, with unlimited grass hay as the main food. Too many pellets can cause diarrhea, gas and bloating.

Huh, didn't know that: Do not feed rabbit pellets to guinea pigs: they do not have enough vitamin C.

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Why did the guinea pig measure his pellets? He was counting carbs.
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References

Answer: In a small measured amount. Merck suggests about 2 tablespoons of pellets a day, with unlimited grass hay as the main food. Too many pellets can cause diarrhea, gas and bloating.

  1. Merck Veterinary Manual: Diet for a Guinea Pig www.merckvetmanual.com/all-other-pets/guinea-pigs/diet-for-a-guinea-pig
    Feed about 2 tablespoons (1/8 cup) of good-quality guinea pig pellets daily.
    Checked 2026-10-11.
  2. Merck Veterinary Manual: Common Health Problems of Guinea Pigs www.merckvetmanual.com/all-other-pets/guinea-pigs/common-health-problems-of-guinea-pigs
    A lack of hay or too many pellets (high in carbohydrates) can lead to diarrhea, painful gas, bloating, and loss of appetite.
    Checked 2026-10-11.

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