
Texas officials warn that New World screwworm, eradicated from Texas decades ago and not found there since 1982, could return after a sighting near the Mexico-Guatemala border. The article describes the pest's threat to livestock and the cattle-import pause meant to contain it.
A possible return of screwworm to US herds would raise risk of livestock losses and movement restrictions, a supportive factor for cattle prices.
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.
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.
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.