my dog has this skin problem?

She is a small yorkie and pom. mix, 5 years of age and have this skin problem that just cannot get rid vet. said it was the food im feeding her, but I fail to feed its kind that helps?

Good skin conditions can be caused by allergies, mites, fungi and bacteria. So you have to be more specific, which is for food, go to your vet and ask, there are special foods for animals with skin problems, to help you choose what is best for your pet.

White Dog Neglected By Irresponsible Owner