Mexico is rapidly expanding its beef processing capacity, potentially limiting future live cattle exports to the U.S. 

Two outcomes from last year’s closure of the U.S.-Mexico border to live cattle are increasingly obvious: Ranchers in the southern U.S. don’t have enough cattle to stay in business, and Mexico is quickly expanding its processing capacity.

Those outcomes may carry long-term fundamental implications for the U.S. cattle sector, Farm Bureau members from across Iowa learned during...