At Hertzfeld Poultry Farms in Ohio, eggs aren’t just food—they represent four generations of family commitment to feeding families across the nation. But with bird flu—the deadliest animal disease in recent U.S. history—one sick bird can put their entire flock, and livelihood, at risk. That’s where Notre Dame comes in. Our researchers developed an “electronic nose,” a device that detects airborne signs of disease in real time. Instead of waiting days for lab results, farmers can now act immediat