
Screwworms, a flesh-eating parasite eradicated from the US decades ago, have reappeared in the Florida Keys, where several deer were found infested. The article warns that spread to Florida's mainland could threaten the state's large calf-shipping livestock sector.
A mainland screwworm outbreak could trigger movement restrictions on Florida calves and raise livestock treatment costs, tightening feeder cattle supply and supporting cattle prices.
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.