Get started with a really small piece, and supply it quite often. Too much sugar can give them a stomach ache. Bananas are usually not undesirable for guinea pigs simply because they are usually not a fruit that is definitely poisonous, but should be fed to guinea pigs in moderation https://lukasffdaw.look4blog.com/56841476/little-known-facts-about-can-guinea-pigs-eat-apples