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Why is my guinea pig eating its own poop? Should I be worried?

Updated on September 23rd, 2025

Pet's info: Other | Unknown - Other | Female

Hi! I have 2 guinea pigs. 1 white Abyssinian guinea pig, and 1 dark brown Peruvian guinea pig. I've recently noticed that my Abyssinian guinea pig, Vanilla is trying to eat her own poop. This is something she has never done until now. I'm very concerned and worried about her. What should I do?

1 Answer

Most Helpful Answer

David Elbeze, DVM, MRCVS

Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on August 9th, 2017

Guinea pigs naturally eat the night poop, which is also called Cecotropes, it is a normal behavior and they all do it, you may or may not see them doing it (usually at night or early morning only).

Cecotropes are nutrient-rich and are passed out of the body, like feces, but are reingested by the animal so the nutrients can be absorbed. Cecotropes have twice the protein, and half of the fiber of the typical hard fecal pellet. They also contain high levels of vitamin K and the B vitamins.
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