Figure 9.
Percentage positive tests for antibiotics in watersheds versus swine AU density in watersheds (A) and manure spill density in watersheds (B). A linear regression line is fitted for each antibiotic.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.