
APHIS confirmed New World screwworm in a cow in Chiapas, Mexico, in late November 2024, and US authorities suspended cattle trade while developing screening protocols. The goal is to resume trade in early January 2025.
The analysis estimates the suspension will cut US cattle imports by 150,000 to 170,000 head in late November and December.
Lost feeder inflows into Texas and Arizona feedlots tighten near-term supply, and feeder prices have already risen on the closure.
After 122 past bullish disease events, Feeder Cattle moved a median +0.4% over 5 sessions (60% higher; middle half -1.0% to +1.6%), and +2.0% over 20.
After 148 past bullish disease events, Live Cattle moved a median +0.4% over 5 sessions (62% higher; middle half -0.5% to +1.2%), and +1.4% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.