Live cattle futures posted sharp gains on Thursday, with April limit up. There was new buying in all months except February, with 5,800 preliminary open interest contracts. Feeder cattle futures were also sharply higher. The CME feeder cattle index was up 44 cents Thursday at $147.95. Wholesale boxed beef values were mixed on Thursday afternoon. Choice boxes were down 46 cents at $209.60, with Select boxes 22 cents higher at $204.54.