droppings

Hello everyone. My 3 year old male guinea pig is having problems. I took him to the vet after noticing he was eating very very slowly and dropping food out of his mouth. I took him the same day and they were able to see that his teeth were very slightly overgrown, possibly trapping his tongue...

I am currently attempting to make liquid fertilizer from my guinea pigs droppings and I was wondering if anyone has done anything similar to this and if so how did it turn out? At the moment I have placed about two days worth of poop from two guinea pigs into about 2-3 litres of water and it...