 And the hybrid vigor. Before that, you either had the Herefords, Angus, Shorthorns, but they had to all look the same. If they went north, if they were Herefords, they had to be dark red. If they went to Texas, they had to be feather-necked. All that kind of stuff. Well, then all of a sudden, hybrid vigor, hybrid vigor. They would bring these calves in, and we'd put them on feed. We couldn't get them to make grade, except if we put them on the hottest ration we could. He had it.