If the goal is to have cheap meat in your freezer, you may be better off to watch your grocery store for sales. Fill up when steaks are on sale. Next week roasts.
I've done it a couple years now. Started creep feed ten days to two weeks before weaning,then put an accusation type feed in self feeder and weaned. Nice thing was even going through weather changes or blizzards they never went off feed. Calves would visit the feeder many times a day but only...