 Just over $15. In the feeder cattle auctions, Fort Peer Livestock Auction, Fort Peer, South Dakota. They had just over 3,700 head in their sale on Friday. Compared to a much larger offering two weeks ago, the feeder steers under 900 pounds, mostly steady. Heavier steers with a heavier undertone. Calves at $579 for an average weight, $331 to $340. Those at $884 for an average weight, $258 to $270.