5 Eating

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Guinea pigs are grazing animals.
It is highly recommended to provide your guinea pig with unlimited amounts of grass hay, primarily for three reasons:

1. Guinea Pigs teeth are continually growing so they need to be constantly grazing and grinding (hay) to prevent teeth from over growing.
2. Eating the long hay strands keeps their digestive system moving and in good health.
3. Hay does not contribute significantly to obesity as it is a modest source of protein and nutrients.

NOTE: Pellets are not a substitute for hay. Lack of hay can lead to misalignment of the teeth that may require surgical correction, and gastrointestinal stasis - shutting down of the digestive tract which often leads to guinea pig death.