Lucky Me, I think I have come to the conclusion that there are NO clean slates unless you breed 'em and raise them yourself! Ask a friend of mine who started an unbroken hand raised orphan foal. My goodness, if you ever want to participate in a major effort in training a greenie, try tackling a spoiled rotten horse who has NO concept of the “normal” boundaries between man and horse.
Since that time, I learned that the “new & improved” way to raise an orphan is to put them in a “people free” area and bucket nurse them with other orphans if a nurse mare is not available. The last option is to hand raise them. Makes for lousy behaviors later in life, and I have seen it in a few orphan babies! At any rate, watching her “clean slate” has made me thank the gods I only have to undo all the track behaviors 
