That smell is actually natural yeast produced by your dog.

If the smell is strong, they may have an infection and you should discuss it further with a vet

Edit to clarify: if the smell suddenly becomes much stronger than what it normally smells like*

Fritoes

IF I HAD A DIME FOR EVERY TIME I NOTICE THIS ON MY SHIT ZOO I WOULD BE ABLE TO RETIRE IN PEACE SHIELA PERDINANNY HAS PASS VIEWING IS ON TUESDAY IF YOU CAN MAKE IT