Is It a Genetic Thing?

The difference between calfhed and yearling is that the rothe calf fed, has he been an a backgrounding lot. The angus sociation has a list of e p ds. They developed four bulls that were pap tested,. If they pap test high, don't use that blood line at all. There's some of em that are lethal. I mean, they will kill a lot of calves. But i'd have to look, but i think we at about 4, five % death loss. And it was all heart failure. Now we're getting several that just aren't performing as well. It just hasn't gotten bad enough to kill em.