The bill would give the F.D.A. new powers to enforce disease-prevention plans on food facilities, trace the source of contaminated foods quickly, and order mandatory recalls.

The bill would give the F. D. A. new powers to enforce disease-prevention plans on food facilities, trace the source of contaminated foods quickly, and order mandatory recalls.

More-efficient farming practices and better transport, storage and processing facilities ensure that a larger proportion of the food reaches markets and consumers.