While the DDGS component of the Chinese feed market is still relatively small, it is an important one for U.S. DDGS as it accounts for 58 percent of all exports so far this year and thus impacts the net profitability of ethanol production.DDGS prices had been surprisingly bullish of late and trading at a premium over corn, largely due to the export pull from China. Whereas corn was cheaper, China had a balancing act to perform for its own market in order to keep corn prices up and fulfill the overall need for protein. Reports surfaced yesterday that China has turned away about 2,000 MT of U.S. DDGS. More rejections are expected in coming weeks as Beijing imposes strict checks on the genetically-modified (GM) MIR 162 that was developed by Sy...