Beef packer margins deteriorated to $141/head last week, down $55 from the prior week as fed cattle prices strengthened while the Choice cutout remained nearly unchanged. The cutout held near $373/cwt while fed cattle prices climbed $4/cwt to $224/cwt, narrowing processor profits. Despite the decline, margins remain substantially above year-ago levels as cattle costs remain below last year's elevated prices. Feedlot placement margins improved ...