hi,
I have herd that Pine is harmful for Guinea Pigs...but i have never had a problem with it when i was breeding GPS... also i herd that u shouldnt use hamster balls but i sink my hamster balls into the shavings so that it wont roll......and i also herd that you shouldnt use cages with ramps but i have seen lots of cages with ramps.....well i g2g ttul tt4n