AUSTIN -- For the week ending Sept. 21, feeder cattle prices reported by Texas auctions were $5 lower to $3 higher per hundredweight (cwt) compared to the previous week. Texas direct feeder cattle sales were $1 to $3 higher and the Oklahoma City National Stockyards were mostly steady to $5 higher. Several locations noted improved demand, but said buyers continue to discount unweaned calves compared to their weaned counterparts. Fed cattle prices were $1 per cwt higher than a week ago. Wholesale beef prices were lower. Weekly beef export sales were up 3 percent from the previous week and 7 percent higher than the prior four-week average. Japan, Mexico, and Hong Kong were the leading buyers. . . .