In spite of the efforts of responsible Jack Russell breeders to rid the breed of all genetic problems, some disorders still pop up from time to time. Her spots were very light when she was a puppy but have become progressively darker. Even under her white hair she has black spots (I can see them really well when I am giving her a bath). Spots Are Normal On Jacks by: Stefanie My jack russell terrier has lots of spots all over her body.
