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.
Dendrogram of PFGE of Salmonella isolates recovered from organically and conventionally produced chicken samples. The tree of relative genetic similarity was constructed based on the neighbor-joining method; scale at 100 means identical. The numbers under columns organic and conventional are the numbers of chicken samples from which each serotype was recovered.
