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.
Taxonomic cladogram of chicken caecum microbes at 3, 6, 12 and 16 weeks. The colored circles from inside to out represent the classification level (phylum, class, order, family and genus). The color of circles with letters mean that the bacteria was higher at specific weeks of the age. 3, 6, 12 or 16 weeks are colored by red, green, blue or yellow, respectively.
