Brett Stuart, speaking at the World Pork Expo, said pork export volume is approaching a saturation point and future growth may be limited.

A multibillion-dollar liquidation in China and an aggressive global push by Brazil are shifting international pork trade and forcing U.S. producers to recalibrate their export expectations.

Speaking at the World Pork Expo in Des Moines last month, industry experts delivered a sobering checklist of geopolitical, disease and...