Welcome to the National Animal Disease Center, a government research center in Iowa where scientists work with pigs, cows and other animals, pushing to solve the bird flu outbreak currently spreading through U.S. animals — and develop ways to stop it. (AP Video/Mary Conlon)

USDA efforts to solve the bird flu outbreak in cows are taking center stage in central Iowa

Welcome to the National Animal Disease Center, a government research center in Iowa where scientists work with pigs, cows and other animals, pushing to solve the bird flu outbreak currently spreading through U.S. animals — and develop ways to stop it. (AP Video/Mary Conlon)