This happens when his bottom gets wet and dirty and it turns into a matted mess.
To stop this happening try to keep his cage clean so that there is not wetness where he sleeps. To get rid of matted fur you can try to wash it out but that can hurt the guinea pig, the best way is to just cut the matted fur off.
The best thing to do to a guinea pig with badly matted hair is to cut it off. Trying to brush it out could hurt the guinea pig.
You only cut long guinea pigs hair and whenever it gets reallly long and matted. You need to brush it every day
Being an expert of matted tangled hair One must know that products are bad for most matted and tangled hair cases. We suggest if your hair is matted then your past the point to "Do It Your Self" at this point don't wet it and if you have now don't even touch it.
It's called a mat. Or matted hair.
Dense, close matted hair
felt
with a screwdriver and a peice of wood
The word matted means that their hair in tangled very bad in knots. Very hard to brush and comb them out.
Take it to the Veterinarian. To get its hair trimmed.
close dense matted hair
Dense, close matted hair
brush your guinea pig once a day. if this does not work, take it to the vet. it could be a sign of an internal disease