The livestock packing sector saw mixed trends in profitability over the past week with packer margins improving for both the beef and pork sectors. Beef packing margins have been negative for five weeks now and hog packing margins in the red for three weeks, both of which present a threat to prices for cattle and hogs. Forward-looking placement margins for feedlots and wean-to-finish producers turned higher on stronger expected/hedged sale prices and, in the case of feedlots, lower feeder cattle costs. Note that farrow-to-finish margins at farrowing hit a new four-year high at $39/head last week. In contrast, closeout margins (e.g., profits on last week’s sales) deteriorates for the feedlot industry and farrow-to-finish and wean-to-finish h...