Guinea pig scab

[Shannonford101]

Hello!
We have just noticed this little scab on my guineas belly. His brother was treated for a fungal infection a couple weeks ago and everything has been disinfected since then. They were also treated for mites over a month ago.
Any idea what it may be? Thanks!

 

[Siikibam]

I don’t know what it is. Perhaps take him to the vet to be checked.

 

[Shannonford101]

I don’t know what it is. Perhaps take him to the vet to be checked.

I think it might be his bellybutton

 

[Siikibam]

Looks a bit high up but it could be