I am interested in training ox. I have a couple of short horn steers I was going to train. However I have read that many settlers used cows not steers. I have a shorthorn cow I raised on a bottle. She is pretty tame. I also have a young Holstien cow much younger. If I let the holstien catch up in size would they be an ok match. I think the holstien may be a little taller when mature. The steers would be of better use in the freezer.