Sounds like hairy hoof warts. Can be cured by scurbing the area clean. Then some LA 200. Then put a poltice in between the toes of poltice of termision in there with vet wrap.
Hope this helps. Good Luck
Thanks for the reply, but they're corns, I'm pretty sure. Not a lot of hairy heel wart around here. I know this is more common in bulls, but she weights almost 1900 lbs. She's freakishly large! If I can figure out how to post a pic, I will.