Again thanks everyone for your imput, all the info given is much appriciated and very much valid.
Reload - what you have siad would very much apply to my bitch, she's a rescue and had a whippet dam (unsure of the sire, but she's only 21")and is black with a smooth/broken coat.
Sandymere - I never massage her, only the usual scratch for her pleasure!
She dosen't scratch these areas at all, which would also suggest its not mange.
I've spoken with vets on the subject and they do say that when its symetrical not patchy its most likely not mange or another parasite, and they also sa