Personally ,from experience ,the type of dog required depends on a couple of factors.-
The health and stature of the chap following and the type of deer regularly encountered .Its no good whatsoever having a large ,fleet dog if you struggle to run a few yards .Let me expand on this .In my experience there are two types of deer finders as well as the various breeds .Some will find ,stay and bay ,which is ideal .Some will rip into the deer and maul it but neither can be taught to a dog which is usually out of sight and in cover.A few will return to you and guide you back to it .If you are unfit