We use it every year on feeders in the lot. As long as you don't ever let it run out, it is a great feed. Don't have to start a tractor for it. The feedman does all the work. It will do a good job, but if you want to keep them growing and not get to fleshy, you will want to drop the ration to 60/40 or so, you will want to ask your rep to make sure. Most people use the 80/20 for feedlot cattle, but they will get a good layor of grease on them.