 Nearly 310,000 head of cattle will sell, featuring some of America's best feeder cattle, weaned calves, and of course, those calves on cows. Superior Sunrise kicks things off 6.30 a.m. auction time, 7 a.m. mountain time each day. To watch the sale online, visit superiorlivestock.com. Superior Livestock, committed to buyers and sellers for over 35 years.