Ive just noticed a some kind of growth on my guinea pig, not sure how long hes had it as hes a long haired pig and hes just had a short haircut so ive only just noticed it.

Its on the back of his neck and is quite small it looks like several small bumps on top of each other, its not crusty or anything it just looks like normal skin and is not hard. Its a bit warty looking.

Ive looked on guinea Lynx and similar websites but they don't have anything that looks or sounds like his.

Ill try and get a pic up of it soon.

Could be a tumor so you should take it to a vet.

Ok here's a picture of it - http://i73.photobucket.com/albums/i232/scaryclaire/Image008.jpg

Not a brilliant pic cos its so small.

Could be a tumor so you should take it to a vet.

To be honest most vets are hopeless with guineapigs as they don't tend to know a lot about them.

Pigger - I'm watching with interest as I've not seen a bump like that before, fingers crossed it's not too serious

It does look like a tumour, I would take it to the vets to be checked out - good luck x