...Positive momentum in the cattle cycle in the U.S. and stronger prices resulting from ASF should support profitability. Marfrig Global Foods S.A.'s (Marfrig) U.S. beef-processing subsidiary, National Beef (NB), has had solid results, with increasing earnings and cash flows. Healthy cutout margins have been in place since the end of 2015 and are likely to continue this year and next thanks to the rebuilding of the U.S. cattle herd and the solid economy bolstering demand. Although NB doesn't export, the stronger demand for U.S. protein could improve overall margins in the sector. In a normalized scenario, lower cutout margins would likely bring EBITDA margins to the 7%-8% area, which would be sustainable from 2020 on, but still difficult to measure upside potential due to the possible effects from ASF....