Taiwan announced on Friday, March 21 , 1997, an indefinite ban on pork exports after an outbreak of foot and mouth disease. It is neither·clear at.this time how Jon!! the ban will ~ last nor the ful l impacts of this event. Although a terrible blow to Taiwanese producers. Iowa's primary agriculture will likely encounter increased demand, as the u:s. pork industry is well positioned to increase world market share. Iowa State University's FAPRI staff is engaged in analysis of this event.