Reuters – U.S. food producers and shippers are trying to speed up exports to Mexico and line up alternative markets as concerns rise that this lucrative business could be at risk if clashes over trade and immigration between the Trump administration and Mexico City escalate. Mexico is expected to import about 4 percent of the U.S. corn crop in 2016/1 and buys 7.8 percent of U.S. pork production.

http://www.reuters.com/article/us-usa-mexico-agriculture-idUSKBN15F2FS