Dry food processing is popular in the pet food industry.
It is an efficient way to supply continuous production of feed in various variety as it is energy efficient.
It also allows for large amounts of feed to be used and is cost-effective.
To make dog kibble, a process known as extrusion is done. (source)
Can Guinea Pigs Eat Dry Dog Food?
The can nibble a little of it, but that’s all.
However, it provides no nutritional value for them and so shouldn’t be a part of their diet
For more foods that guinea pigs can and can’t eat, check out our guinea pig food list.