Export Sales and Shipments for the week March 31 - April 6, 2023   Wheat:  Net sales of 135,700 metric tons (MT) for 2022/2023 were down 30 percent from the previous week and 27 percent from the prior 4-week average. Export shipments of 280,200 MT were up 42 percent from the previous week and unchanged from the prior 4-week average. The destinations were primarily to Japan (66,600 MT), Thailand (57,900 MT), Vietnam (37,200 MT), Tunisia (28,500 MT), and Mexico (28,400 MT).  Corn:  Net sales of 527,700 MT for 2022/2023 were down 58 percent from the previous week and 68 percent from the prior 4-week average. Export shipments of 917,000 MT were down 19 percent from the previous week and 15 percent from the prior 4-wee...