USDA APHIS data compiled by WATT show about 53.6 million commercial poultry and upland gamebirds were lost to HPAI in 2025 across 26 states. Ohio led with roughly 14.7 million birds lost, followed by Indiana with about 8.6 million.
Large layer losses in the Midwest tightened egg supply and pushed up egg and feed-ingredient demand expectations, though the 2025 totals are now a historical reference rather than a new shock.
After 145 past neutral disease events, Corn moved a median +0.4% over 5 sessions (58% higher; middle half -1.2% to +1.7%), and +0.0% 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.