GREELEY, Colo. — In early August, farmworkers gathered under a pavilion at a park here for a picnic to celebrate Farmworker Appreciation Day. One sign that this year was different from the others was the menu: Beef fajitas, tortillas, pico de gallo, chips, beans — but no chicken.
Farms in Colorado had culled millions of chickens in recent months to stem the transmission of bird flu. Organizers filled out the spread with hot dogs.
